<|im_start|>system
You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
<|im_end|>
<|im_start|>user
You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 

<|actionspace_start|>
Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
1. input:
Action: Type text into an input field to search for a specific product. 
Action Argument: the input_text is the specific text entered by the customer.
{
"timestamp": "timestamp",
"action": "input",
"action_argument": "input_text",
}

2. click:
Action: Click on a button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

3. click_product:
Action: Click on product links or product images.
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
{
"timestamp": "timestamp",
"action": "click_product",
"action_argument": "product_asin",
}

4. purchase:
Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
{
"timestamp": "timestamp",
"action": "purchase",
"action_argument": "product_asin",
}
<|actionspace_end|>

<|memory_start|>
{"timestamp": "2025-03-27T22:43:21.311Z", "action": "input", "action_argument": "dental pod"}
{"timestamp": "2025-03-30T03:29:39.157Z", "action": "input", "action_argument": "ukulele"}
{"timestamp": "2025-03-30T03:32:00.203Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:32:27.001Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:03.219Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:33.087Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:52.811Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:53:28.946Z", "action": "purchase", "action_argument": "B0BDRHRFD2"}
{"timestamp": "2025-04-07T17:18:42.141Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-07T17:18:48.054Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:50.409Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:53.880Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:18:57.022Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:57.044Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:19:10.886Z", "action": "click_product", "action_argument": "B003K01BMI"}
{"timestamp": "2025-04-07T17:20:20.576Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:20:23.864Z", "action": "purchase", "action_argument": "B003K01BMI"}
{"timestamp": "2025-04-07T17:21:31.650Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:32.920Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:37.169Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:38.900Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:41.486Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:02.139Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:03.404Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:13.506Z", "action": "input", "action_argument": "shampoo"}
{"timestamp": "2025-04-07T17:25:33.461Z", "action": "input", "action_argument": "shampoo karatetesh"}
{"timestamp": "2025-04-07T17:25:56.355Z", "action": "click_product", "action_argument": "B01KNWRJYY"}
{"timestamp": "2025-04-07T17:48:07.075Z", "action": "input", "action_argument": "shampoo oily hair"}
{"timestamp": "2025-04-07T17:49:16.955Z", "action": "click_product", "action_argument": "B0B4BG3HPM"}
{"timestamp": "2025-04-07T17:51:28.052Z", "action": "input", "action_argument": "opalex shampoo"}
{"timestamp": "2025-04-07T17:51:52.323Z", "action": "click_product", "action_argument": "B07D37PQGL"}
{"timestamp": "2025-04-07T17:52:42.162Z", "action": "purchase", "action_argument": "B07D37PQGL"}
{"timestamp": "2025-04-18T00:53:17.368Z", "action": "input", "action_argument": "battery"}
{"timestamp": "2025-04-18T00:53:36.674Z", "action": "input", "action_argument": "battery AAA"}
{"timestamp": "2025-04-18T00:53:47.889Z", "action": "click_product", "action_argument": "B00A4BBCIE"}
{"timestamp": "2025-04-18T00:54:19.066Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:19.363Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:19.846Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:44.549Z", "action": "input", "action_argument": "battery AA"}
{"timestamp": "2025-04-18T00:55:52.731Z", "action": "click_product", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-18T00:56:55.187Z", "action": "purchase", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-18T00:57:01.092Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-18T00:57:06.833Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:10.100Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:13.363Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:13.389Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:16.318Z", "action": "purchase", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-22T21:41:24.680Z", "action": "input", "action_argument": "iphone16 pro screen protector"}
{"timestamp": "2025-04-22T21:42:41.781Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-22T21:44:06.320Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-22T21:45:17.983Z", "action": "purchase", "action_argument": "B0D9BBV4FZ"}
{"timestamp": "2025-04-24T16:13:40.192Z", "action": "input", "action_argument": "phlips toothbrush"}
{"timestamp": "2025-04-24T16:13:57.428Z", "action": "click", "action_argument": "filter"}
{"timestamp": "2025-04-24T16:14:13.054Z", "action": "click_product", "action_argument": "B09LD8T445"}
{"timestamp": "2025-04-24T16:15:31.200Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:34.936Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:36.396Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:38.401Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:16:06.685Z", "action": "click_product", "action_argument": "B078GVH2VH"}
{"timestamp": "2025-04-24T16:16:46.253Z", "action": "purchase", "action_argument": "B078GVH2VH"}
{"timestamp": "2025-04-24T16:19:15.747Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-24T16:19:21.691Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:30.728Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:30.756Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:33.517Z", "action": "purchase", "action_argument": "B078GVH2VJ"}
{"timestamp": "2025-05-01T16:34:56.293Z", "action": "input", "action_argument": "comforter"}
{"timestamp": "2025-05-01T16:36:29.223Z", "action": "click_product", "action_argument": "B0B49MZLDB"}
{"timestamp": "2025-05-01T16:38:14.844Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:38:21.317Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:39:12.556Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:39:30.396Z", "action": "purchase", "action_argument": "B0B49MZLDB"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-05-01T16:40:41.439Z", "action": "input", "action_argument": "sheet"}
{"timestamp": "2025-05-01T16:40:41.545Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-05-01T16:56:31.953Z", "action": "click_product", "action_argument": "B00Q7OAPM6"}
{"timestamp": "2025-05-01T16:56:37.672Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-05-01T16:56:41.574Z", "action": "click", "action_argument": "product_option"}
<|action_end|>

<|observation_start|>
Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
{
  "search_term": [
    {
  "term": "sheets"
}
  ],
  "cart_items": [
    {"title": "Philips Sonicare ProtectiveClean 5100 Rechargeable Electric Toothbrush, with Pressure Sensor, 3 Cleaning Modes, SmarTimer and QuadPacer, 14-Day Battery Life, Travel Case, White, Model HX6857/11", "asin": "B078GVH2VH", "price": "$79.96", "quantity": "1"},
    {"title": "Good Earth Sweet and Spicy All-Natural Caffeine-Free Herbal Tea Bags, 25-Count (Pack of 3)", "asin": "B00F8LX34G", "price": "$23.95", "quantity": "2"},
    {"title": "Aveeno Fresh Greens Blend Natural Volumizing Shampoo, Cucumber, Rosemary, for Fine Hair, 12 fl oz", "asin": "B07HMK15G9", "price": "$7.71", "quantity": "1"},
    {"title": "Aveeno Rose Water & Chamomile Shampoo for Dry Hair, Hydrating, 12 fl oz", "asin": "B07HMP4JL4", "price": "$14.19", "quantity": "1"},
    {"title": "Purina Tidy Cats Low Dust, Multi Cat, Clumping Cat Litter Odor Control Formula, LightWeight Glade Clear Springs - 17 lb. Box", "asin": "B07KYLF5S8", "price": "$25.99", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 18 Lbs", "asin": "B089LLHMQL", "price": "$18.89", "quantity": "1"},
    {"title": "ASUS ROG Strix LC II 240 ARGB White Edition All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support, 2X 120mm 4-pin PWM Addressable RGB Radiator Fans", "asin": "B0B16YGZKM", "price": "$99.99", "quantity": "1"},
    {"title": "GameSir G7 SE Wired Controller for Xbox Series X|S, Xbox One & Windows 10/11, Plug and Play Gaming Gamepad with Hall Effect Joysticks/Hall Trigger, 3.5mm Audio Jack", "asin": "B0C7GW9F88", "price": "$36.07", "quantity": "2"},
    {"title": "Instinct Raw Boost Healthy Weight, Natural Dry Cat Food with Freeze Dried Pieces, Grain Free Recipe - Real Chicken, 10 lb. Bag", "asin": "B06XDQFYZM", "price": "$51.99", "quantity": "3"},
    {"title": "Kleenex Ultra Soft Facial, 3 Flat Boxes, 120 per Box, 3-Ply (360 Total), Packaging May Vary", "asin": "B09M6JWHV5", "price": "$6.59", "quantity": "1"},
    {"title": "Amazon Echo Dot (newest model), Vibrant sounding Alexa speaker, Great for bedrooms, dining rooms and offices, Charcoal", "asin": "B09B8V1LZ3", "price": "$37.99", "quantity": "1"},
    {"title": "Temptations Classic Crunchy and Soft Cat Treats Creamy Dairy Flavor, 16 oz. Tub", "asin": "B00OLSARSW", "price": "$8.48", "quantity": "1"},
    {"title": "Instinct Raw Boost Healthy Weight, Natural Dry Dog Food with Freeze Dried Pieces, Grain Free Recipe - Real Chicken, 20 lb. Bag", "asin": "B06XDRFT18", "price": "$80.74", "quantity": "1"},
    {"title": "ACANA Indoor Entree Dry Cat Food, Free Run Chicken and Turkey Recipe, 4 lb", "asin": "B086TW812H", "price": "$20.99", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 18 Lbs", "asin": "B089LLHMQL", "price": "$17.95", "quantity": "1"},
    {"title": "Graphics Card GPU Brace Support, Video Card Sag Holder Bracket, GPU Stand (L, 74-120mm)", "asin": "B09FPJL1KY", "price": "$9.99", "quantity": "1"},
    {"title": "Temptations MixUps Catnip Fever Flavor Crunchy and Soft Cat Treats, 16 oz. Tub", "asin": "B00OLSARS2", "price": "$8.48", "quantity": "1"},
    {"title": "Pampers Baby Wipes, Free & Gentle, Hypoallergenic and Unscented Wipe, 100% Plant Based, Plastic-Free for Babies, 936 Total (12 Flip-Top Packs)", "asin": "B0CVH1SPNX", "price": "$34.97", "quantity": "1"},
    {"title": "Pampers Baby Wipes Aqua Pure, 99% water-based wipes, Hypoallergenic and Unscented Baby Wipes, 672 Wipes Total (12 Flip-Top Packs)", "asin": "B0BJ13XWDD", "price": "$35.07", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal Slide Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 27.5 Lbs", "asin": "B09V65VY5J", "price": "$26.99", "quantity": "1"},
    {"title": "Logitech MX Anywhere 3S Compact Wireless Mouse, Fast Scrolling, 8K DPI Any-Surface Tracking, Quiet Clicks, Programmable Buttons, USB C, Bluetooth, Windows PC, Linux, Chrome, Mac - Graphite", "asin": "B0BPY4ZQXG", "price": "$78.12", "quantity": "1"},
    {"title": "Remington Shine Therapy 1 inch Hair Straightener Iron, Flat Iron Infused with Argan Oil & Keratin, Professional Ceramic Flat Iron for Less Frizz, Shines and Smooth, Styling Tools", "asin": "B09GKY436P", "price": "$20.90", "quantity": "1"},
    {"title": "Instinct Ultimate Protein, Natural Dry Cat Food, Grain Free Recipe - Cage Free Chicken, 4 lb. Bag", "asin": "B06XP17HNT", "price": "$36.99", "quantity": "1"},
    {"title": "Logitech G PRO X SUPERLIGHT 2 wireless gaming mouse, 60 g pro-grade mouse with 5 programmable buttons, 44k DPI sensor, 8 kHz report rate, USB-C charging for PC/Mac - White", "asin": "B09NBWQDKX", "price": "$131.99", "quantity": "1"},
    {"title": "Logitech MX Anywhere 3S Compact Wireless Mouse, Fast Scrolling, 8K DPI Any-Surface Tracking, Quiet Clicks, Programmable Buttons, USB C, Bluetooth, Windows PC, Linux, Chrome, Mac - Pale Grey", "asin": "B0BPY1JM2Q", "price": "$89.97", "quantity": "1"},
    {"title": "IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food with Chicken & Turkey, 22 lb. Bag", "asin": "B01BMBPOJ2", "price": "$39.98"},
    {"title": "Temptations MixUps Catnip Fever Flavor Crunchy and Soft Cat Treats, 16 oz. Tub", "asin": "B00OLSARS2", "price": "$8.48"},
    {"title": "OxiClean White Revive Laundry Whitener and Stain Remover Power Paks, 24 Count", "asin": "B00HTNTKY8", "price": "$8.98"},
    {"title": "Small Avocados, 6 Ct", "asin": "B07FXSZ49R", "price": "$4.97"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 37 Lbs", "asin": "B07GL8SLKY", "price": "$34.99"},
    {"title": "Purina Fancy Feast Lickable Wet Cat Food Broth Complement Classics Collection Variety Pack - (Pack of 12) 1.4 oz. Pouches", "asin": "B00TNL1LMS", "price": "$13.27"},
    {"title": "Wonderful Halos Mandarins, 3 Pound (Pack of 1)", "asin": "B00HT7U55W", "price": "$3.99"},
    {"title": "Blue Buffalo Wilderness Nature's Evolutionary Diet High-Protein, Grain-Free Natural Dry Food for Adult Cats, Chicken, 6-lb. Bag", "asin": "B00X04EBJY", "price": "$28.98"},
    {"title": "Purina Cat Chow Naturals With Added Vitamins, Minerals and Nutrients Dry Cat Food, Naturals Original - 13 lb. Bag", "asin": "B005FVLAKI", "price": "$18.99"},
    {"title": "Hartz Delectables Stew Lickable Wet Cat Treats for Adult & Senior Cats, Variety Pack, 1.4 Ounce (Pack of 12)", "asin": "B073WLPYMP", "price": "$12.94"},
    {"title": "Himalaya Botanique Anticavity Fluoride Toothpaste, Fluoride with Multi-Benefit Support, Fights Cavities, Strengthens Enamel, Promotes Remineralization, Mint Flavor, 4 oz.", "asin": "B0CB1Y1Q1R", "price": "$4.67"}
  ],
  "product_details": [
    {
  "asin": "B00Q7O9TN2"
},
    {
  "title": "Amazon Basics Lightweight Super Soft Easy Care Wrinkle Free Breathable Microfiber 3 Piece Bed Sheet Set with 14-Inch Deep Pockets, Twin, Beige, Solid"
},
    {
  "price": "$12.99"
},
    {
  "bullet_list": "100% Polyester Microfiber Imported SOFT AND COZY: Experience ultra-soft comfort with our 85 GSM brushed microfiber sheet set ALL-SEASON COMFORT: Enjoy breathable, all-season comfort with our 100% polyester sheet sets ELEGANT STYLE: Enhance your bedroom atmosphere with the classic pattern of this bed sheet set EASY CARE: These 85 GSM brushed microfiber sheets are machine washable, dryer safe, and wrinkle and shrink resistant HIGH STANDARDS: Certified MADE IN GREEN by OEKO-TEX, which means that products are tested for harmful substances and made in safer workplaces with reduced environmental impacts"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Color": "Beige"
},
    {
  "Size": "Twin"
}
  ],
  "promotion_items": [
    {"title": "California Design Den 100% Cotton 2-Pack Twin Size Bed Sheets, Soft & Durable Twin Bed Sheets Set with Deep Pockets, Twin Sheet Set with Sateen Weave, Cooling Sheets (Beige)", "asin": "B0CNY11NDL", "price": "$62.99", "quantity": ""},
    {"title": "Brooklinen Luxury Percale 4 Piece Sheet Set - 100% Cotton, Queen Size in Cream - 1 Fitted Sheet, 1 Flat Sheet, 2 Pillowcases | Best Sheets for Hot Sleepers", "asin": "B0BTK1GDHC", "price": "$189.00", "quantity": ""},
    {"title": "Bedsure Full Size Bed Sheets - 4 Pieces Soft Full Sheet Set - Breathable & Cooling - Hotel Luxury - Easy Care Polyester Microfiber Bedding for Women, Men, Dark Grey", "asin": "B07TVMCZPR", "price": "$17.99", "quantity": ""},
    {"title": "LANE LINEN 100% Organic Cotton Sheets Set Pure Long- Staple Percale Weave - Bedding for Bed Fits Mattress Upto 15in Deep Pocket (Twin Taupe)", "asin": "B081D8K6CQ", "price": "$33.83", "quantity": ""},
    {"title": "Bedsure Twin XL Sheet Set Dorm Bedding, Cooling Twin Extra Long Sheets, Rayon Derived from Bamboo, Deep Pocket Up to 16 Inches, Hotel Luxury Silky Bedding, Bedsheets & Pillowcases, Light Beige", "asin": "B0C7C7CYKP", "price": "$39.09", "quantity": ""},
    {"title": "California Design Den Full Size Bed Sheets Set - Soft 400 Thread Count Sateen, Natural 100% Cotton Sheets Full Size Bed Set, Deep Pockets, Durable Bedding - White", "asin": "B06XS23RKY", "price": "$39.99", "quantity": ""},
    {"title": "Bare Home Full Sheet Set - Luxury 1800 Ultra-Soft Microfiber Full Bed Sheets - Double Brushed - Deep Pockets - Easy Fit - 4 Piece Set - Bedding Sheets & Pillowcases (Full, Sage)", "asin": "B01FGBADU4", "price": "$37.99", "quantity": ""}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-05-01T16:56:57.864Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

user
<|im_start|>system
You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
<|im_end|>
<|im_start|>user
You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 

<|actionspace_start|>
Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
1. input:
Action: Type text into an input field to search for a specific product. 
Action Argument: the input_text is the specific text entered by the customer.
{
"timestamp": "timestamp",
"action": "input",
"action_argument": "input_text",
}

2. click:
Action: Click on a button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

3. click_product:
Action: Click on product links or product images.
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
{
"timestamp": "timestamp",
"action": "click_product",
"action_argument": "product_asin",
}

4. purchase:
Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
{
"timestamp": "timestamp",
"action": "purchase",
"action_argument": "product_asin",
}
<|actionspace_end|>

<|memory_start|>
{"timestamp": "2025-03-27T22:43:21.311Z", "action": "input", "action_argument": "dental pod"}
{"timestamp": "2025-03-30T03:29:39.157Z", "action": "input", "action_argument": "ukulele"}
{"timestamp": "2025-03-30T03:32:00.203Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:32:27.001Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:03.219Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:33.087Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:52.811Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:53:28.946Z", "action": "purchase", "action_argument": "B0BDRHRFD2"}
{"timestamp": "2025-04-07T17:18:42.141Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-07T17:18:48.054Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:50.409Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:53.880Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:18:57.022Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:57.044Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:19:10.886Z", "action": "click_product", "action_argument": "B003K01BMI"}
{"timestamp": "2025-04-07T17:20:20.576Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:20:23.864Z", "action": "purchase", "action_argument": "B003K01BMI"}
{"timestamp": "2025-04-07T17:21:31.650Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:32.920Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:37.169Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:38.900Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:41.486Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:02.139Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:03.404Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:13.506Z", "action": "input", "action_argument": "shampoo"}
{"timestamp": "2025-04-07T17:25:33.461Z", "action": "input", "action_argument": "shampoo karatetesh"}
{"timestamp": "2025-04-07T17:25:56.355Z", "action": "click_product", "action_argument": "B01KNWRJYY"}
{"timestamp": "2025-04-07T17:48:07.075Z", "action": "input", "action_argument": "shampoo oily hair"}
{"timestamp": "2025-04-07T17:49:16.955Z", "action": "click_product", "action_argument": "B0B4BG3HPM"}
{"timestamp": "2025-04-07T17:51:28.052Z", "action": "input", "action_argument": "opalex shampoo"}
{"timestamp": "2025-04-07T17:51:52.323Z", "action": "click_product", "action_argument": "B07D37PQGL"}
{"timestamp": "2025-04-07T17:52:42.162Z", "action": "purchase", "action_argument": "B07D37PQGL"}
{"timestamp": "2025-04-18T00:53:17.368Z", "action": "input", "action_argument": "battery"}
{"timestamp": "2025-04-18T00:53:36.674Z", "action": "input", "action_argument": "battery AAA"}
{"timestamp": "2025-04-18T00:53:47.889Z", "action": "click_product", "action_argument": "B00A4BBCIE"}
{"timestamp": "2025-04-18T00:54:19.066Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:19.363Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:19.846Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:44.549Z", "action": "input", "action_argument": "battery AA"}
{"timestamp": "2025-04-18T00:55:52.731Z", "action": "click_product", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-18T00:56:55.187Z", "action": "purchase", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-18T00:57:01.092Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-18T00:57:06.833Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:10.100Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:13.363Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:13.389Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:16.318Z", "action": "purchase", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-22T21:41:24.680Z", "action": "input", "action_argument": "iphone16 pro screen protector"}
{"timestamp": "2025-04-22T21:42:41.781Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-22T21:44:06.320Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-22T21:45:17.983Z", "action": "purchase", "action_argument": "B0D9BBV4FZ"}
{"timestamp": "2025-04-24T16:13:40.192Z", "action": "input", "action_argument": "phlips toothbrush"}
{"timestamp": "2025-04-24T16:13:57.428Z", "action": "click", "action_argument": "filter"}
{"timestamp": "2025-04-24T16:14:13.054Z", "action": "click_product", "action_argument": "B09LD8T445"}
{"timestamp": "2025-04-24T16:15:31.200Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:34.936Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:36.396Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:38.401Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:16:06.685Z", "action": "click_product", "action_argument": "B078GVH2VH"}
{"timestamp": "2025-04-24T16:16:46.253Z", "action": "purchase", "action_argument": "B078GVH2VH"}
{"timestamp": "2025-04-24T16:19:15.747Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-24T16:19:21.691Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:30.728Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:30.756Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:33.517Z", "action": "purchase", "action_argument": "B078GVH2VJ"}
{"timestamp": "2025-05-01T16:34:56.293Z", "action": "input", "action_argument": "comforter"}
{"timestamp": "2025-05-01T16:36:29.223Z", "action": "click_product", "action_argument": "B0B49MZLDB"}
{"timestamp": "2025-05-01T16:38:14.844Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:38:21.317Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:39:12.556Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:39:30.396Z", "action": "purchase", "action_argument": "B0B49MZLDB"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-05-01T16:40:41.439Z", "action": "input", "action_argument": "sheet"}
{"timestamp": "2025-05-01T16:40:41.545Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-05-01T16:56:31.953Z", "action": "click_product", "action_argument": "B00Q7OAPM6"}
{"timestamp": "2025-05-01T16:56:37.672Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-05-01T16:56:41.574Z", "action": "click", "action_argument": "product_option"}
<|action_end|>

<|observation_start|>
Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
{
  "search_term": [
    {
  "term": "sheets"
}
  ],
  "cart_items": [
    {"title": "Philips Sonicare ProtectiveClean 5100 Rechargeable Electric Toothbrush, with Pressure Sensor, 3 Cleaning Modes, SmarTimer and QuadPacer, 14-Day Battery Life, Travel Case, White, Model HX6857/11", "asin": "B078GVH2VH", "price": "$79.96", "quantity": "1"},
    {"title": "Good Earth Sweet and Spicy All-Natural Caffeine-Free Herbal Tea Bags, 25-Count (Pack of 3)", "asin": "B00F8LX34G", "price": "$23.95", "quantity": "2"},
    {"title": "Aveeno Fresh Greens Blend Natural Volumizing Shampoo, Cucumber, Rosemary, for Fine Hair, 12 fl oz", "asin": "B07HMK15G9", "price": "$7.71", "quantity": "1"},
    {"title": "Aveeno Rose Water & Chamomile Shampoo for Dry Hair, Hydrating, 12 fl oz", "asin": "B07HMP4JL4", "price": "$14.19", "quantity": "1"},
    {"title": "Purina Tidy Cats Low Dust, Multi Cat, Clumping Cat Litter Odor Control Formula, LightWeight Glade Clear Springs - 17 lb. Box", "asin": "B07KYLF5S8", "price": "$25.99", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 18 Lbs", "asin": "B089LLHMQL", "price": "$18.89", "quantity": "1"},
    {"title": "ASUS ROG Strix LC II 240 ARGB White Edition All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support, 2X 120mm 4-pin PWM Addressable RGB Radiator Fans", "asin": "B0B16YGZKM", "price": "$99.99", "quantity": "1"},
    {"title": "GameSir G7 SE Wired Controller for Xbox Series X|S, Xbox One & Windows 10/11, Plug and Play Gaming Gamepad with Hall Effect Joysticks/Hall Trigger, 3.5mm Audio Jack", "asin": "B0C7GW9F88", "price": "$36.07", "quantity": "2"},
    {"title": "Instinct Raw Boost Healthy Weight, Natural Dry Cat Food with Freeze Dried Pieces, Grain Free Recipe - Real Chicken, 10 lb. Bag", "asin": "B06XDQFYZM", "price": "$51.99", "quantity": "3"},
    {"title": "Kleenex Ultra Soft Facial, 3 Flat Boxes, 120 per Box, 3-Ply (360 Total), Packaging May Vary", "asin": "B09M6JWHV5", "price": "$6.59", "quantity": "1"},
    {"title": "Amazon Echo Dot (newest model), Vibrant sounding Alexa speaker, Great for bedrooms, dining rooms and offices, Charcoal", "asin": "B09B8V1LZ3", "price": "$37.99", "quantity": "1"},
    {"title": "Temptations Classic Crunchy and Soft Cat Treats Creamy Dairy Flavor, 16 oz. Tub", "asin": "B00OLSARSW", "price": "$8.48", "quantity": "1"},
    {"title": "Instinct Raw Boost Healthy Weight, Natural Dry Dog Food with Freeze Dried Pieces, Grain Free Recipe - Real Chicken, 20 lb. Bag", "asin": "B06XDRFT18", "price": "$80.74", "quantity": "1"},
    {"title": "ACANA Indoor Entree Dry Cat Food, Free Run Chicken and Turkey Recipe, 4 lb", "asin": "B086TW812H", "price": "$20.99", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 18 Lbs", "asin": "B089LLHMQL", "price": "$17.95", "quantity": "1"},
    {"title": "Graphics Card GPU Brace Support, Video Card Sag Holder Bracket, GPU Stand (L, 74-120mm)", "asin": "B09FPJL1KY", "price": "$9.99", "quantity": "1"},
    {"title": "Temptations MixUps Catnip Fever Flavor Crunchy and Soft Cat Treats, 16 oz. Tub", "asin": "B00OLSARS2", "price": "$8.48", "quantity": "1"},
    {"title": "Pampers Baby Wipes, Free & Gentle, Hypoallergenic and Unscented Wipe, 100% Plant Based, Plastic-Free for Babies, 936 Total (12 Flip-Top Packs)", "asin": "B0CVH1SPNX", "price": "$34.97", "quantity": "1"},
    {"title": "Pampers Baby Wipes Aqua Pure, 99% water-based wipes, Hypoallergenic and Unscented Baby Wipes, 672 Wipes Total (12 Flip-Top Packs)", "asin": "B0BJ13XWDD", "price": "$35.07", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal Slide Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 27.5 Lbs", "asin": "B09V65VY5J", "price": "$26.99", "quantity": "1"},
    {"title": "Logitech MX Anywhere 3S Compact Wireless Mouse, Fast Scrolling, 8K DPI Any-Surface Tracking, Quiet Clicks, Programmable Buttons, USB C, Bluetooth, Windows PC, Linux, Chrome, Mac - Graphite", "asin": "B0BPY4ZQXG", "price": "$78.12", "quantity": "1"},
    {"title": "Remington Shine Therapy 1 inch Hair Straightener Iron, Flat Iron Infused with Argan Oil & Keratin, Professional Ceramic Flat Iron for Less Frizz, Shines and Smooth, Styling Tools", "asin": "B09GKY436P", "price": "$20.90", "quantity": "1"},
    {"title": "Instinct Ultimate Protein, Natural Dry Cat Food, Grain Free Recipe - Cage Free Chicken, 4 lb. Bag", "asin": "B06XP17HNT", "price": "$36.99", "quantity": "1"},
    {"title": "Logitech G PRO X SUPERLIGHT 2 wireless gaming mouse, 60 g pro-grade mouse with 5 programmable buttons, 44k DPI sensor, 8 kHz report rate, USB-C charging for PC/Mac - White", "asin": "B09NBWQDKX", "price": "$131.99", "quantity": "1"},
    {"title": "Logitech MX Anywhere 3S Compact Wireless Mouse, Fast Scrolling, 8K DPI Any-Surface Tracking, Quiet Clicks, Programmable Buttons, USB C, Bluetooth, Windows PC, Linux, Chrome, Mac - Pale Grey", "asin": "B0BPY1JM2Q", "price": "$89.97", "quantity": "1"},
    {"title": "IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food with Chicken & Turkey, 22 lb. Bag", "asin": "B01BMBPOJ2", "price": "$39.98"},
    {"title": "Temptations MixUps Catnip Fever Flavor Crunchy and Soft Cat Treats, 16 oz. Tub", "asin": "B00OLSARS2", "price": "$8.48"},
    {"title": "OxiClean White Revive Laundry Whitener and Stain Remover Power Paks, 24 Count", "asin": "B00HTNTKY8", "price": "$8.98"},
    {"title": "Small Avocados, 6 Ct", "asin": "B07FXSZ49R", "price": "$4.97"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 37 Lbs", "asin": "B07GL8SLKY", "price": "$34.99"},
    {"title": "Purina Fancy Feast Lickable Wet Cat Food Broth Complement Classics Collection Variety Pack - (Pack of 12) 1.4 oz. Pouches", "asin": "B00TNL1LMS", "price": "$13.27"},
    {"title": "Wonderful Halos Mandarins, 3 Pound (Pack of 1)", "asin": "B00HT7U55W", "price": "$3.99"},
    {"title": "Blue Buffalo Wilderness Nature's Evolutionary Diet High-Protein, Grain-Free Natural Dry Food for Adult Cats, Chicken, 6-lb. Bag", "asin": "B00X04EBJY", "price": "$28.98"},
    {"title": "Purina Cat Chow Naturals With Added Vitamins, Minerals and Nutrients Dry Cat Food, Naturals Original - 13 lb. Bag", "asin": "B005FVLAKI", "price": "$18.99"},
    {"title": "Hartz Delectables Stew Lickable Wet Cat Treats for Adult & Senior Cats, Variety Pack, 1.4 Ounce (Pack of 12)", "asin": "B073WLPYMP", "price": "$12.94"},
    {"title": "Himalaya Botanique Anticavity Fluoride Toothpaste, Fluoride with Multi-Benefit Support, Fights Cavities, Strengthens Enamel, Promotes Remineralization, Mint Flavor, 4 oz.", "asin": "B0CB1Y1Q1R", "price": "$4.67"}
  ],
  "product_details": [
    {
  "asin": "B00Q7O9TN2"
},
    {
  "title": "Amazon Basics Lightweight Super Soft Easy Care Wrinkle Free Breathable Microfiber 3 Piece Bed Sheet Set with 14-Inch Deep Pockets, Twin, Beige, Solid"
},
    {
  "price": "$12.99"
},
    {
  "bullet_list": "100% Polyester Microfiber Imported SOFT AND COZY: Experience ultra-soft comfort with our 85 GSM brushed microfiber sheet set ALL-SEASON COMFORT: Enjoy breathable, all-season comfort with our 100% polyester sheet sets ELEGANT STYLE: Enhance your bedroom atmosphere with the classic pattern of this bed sheet set EASY CARE: These 85 GSM brushed microfiber sheets are machine washable, dryer safe, and wrinkle and shrink resistant HIGH STANDARDS: Certified MADE IN GREEN by OEKO-TEX, which means that products are tested for harmful substances and made in safer workplaces with reduced environmental impacts"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Color": "Beige"
},
    {
  "Size": "Twin"
}
  ],
  "promotion_items": [
    {"title": "California Design Den 100% Cotton 2-Pack Twin Size Bed Sheets, Soft & Durable Twin Bed Sheets Set with Deep Pockets, Twin Sheet Set with Sateen Weave, Cooling Sheets (Beige)", "asin": "B0CNY11NDL", "price": "$62.99", "quantity": ""},
    {"title": "Brooklinen Luxury Percale 4 Piece Sheet Set - 100% Cotton, Queen Size in Cream - 1 Fitted Sheet, 1 Flat Sheet, 2 Pillowcases | Best Sheets for Hot Sleepers", "asin": "B0BTK1GDHC", "price": "$189.00", "quantity": ""},
    {"title": "Bedsure Full Size Bed Sheets - 4 Pieces Soft Full Sheet Set - Breathable & Cooling - Hotel Luxury - Easy Care Polyester Microfiber Bedding for Women, Men, Dark Grey", "asin": "B07TVMCZPR", "price": "$17.99", "quantity": ""},
    {"title": "LANE LINEN 100% Organic Cotton Sheets Set Pure Long- Staple Percale Weave - Bedding for Bed Fits Mattress Upto 15in Deep Pocket (Twin Taupe)", "asin": "B081D8K6CQ", "price": "$33.83", "quantity": ""},
    {"title": "Bedsure Twin XL Sheet Set Dorm Bedding, Cooling Twin Extra Long Sheets, Rayon Derived from Bamboo, Deep Pocket Up to 16 Inches, Hotel Luxury Silky Bedding, Bedsheets & Pillowcases, Light Beige", "asin": "B0C7C7CYKP", "price": "$39.09", "quantity": ""},
    {"title": "California Design Den Full Size Bed Sheets Set - Soft 400 Thread Count Sateen, Natural 100% Cotton Sheets Full Size Bed Set, Deep Pockets, Durable Bedding - White", "asin": "B06XS23RKY", "price": "$39.99", "quantity": ""},
    {"title": "Bare Home Full Sheet Set - Luxury 1800 Ultra-Soft Microfiber Full Bed Sheets - Double Brushed - Deep Pockets - Easy Fit - 4 Piece Set - Bedding Sheets & Pillowcases (Full, Sage)", "asin": "B01FGBADU4", "price": "$37.99", "quantity": ""}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-05-01T16:56:57.864Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

<answer_action>click</answer_action><answer_argument>nav_bar</answer_argument>
rule
<answer_action>click</answer_action><answer_argument>nav_bar</answer_argument>
<|im_start|>system
You are a helpful assistant that is capable of understanding and predicting customer shopping behaviors on Amazon. You first think about the reasoning process in the mind and then predict the customer actions and action argument. The reasoning process and the predicted action and action argument are enclosed within <think> </think> and <answer> </answer> tags, respectively, i.e., <think>reasoning process here</think><answer>predicted action and action argument here</answer>.
<|im_end|>
<|im_start|>user
You are given a customer behavior trajectory on Amazon. This trajectory include the customer long-term information (enclosed between <|memory_start|> and <|memory_end|>), previous actions the customer has taken with timestamps (enclosed between <|action_start|> and <|action_end|>), and current observations describing what the customer sees on Amazon (e.g., a search results page, a product detail page) (enclosed between <|observation_start|> and <|observation_end|>). 
Now your task is to predict the immediate next action and action argument (i.e., input_text, product_asin, or click_type) of this shopper by analyzing shopper shopping behaviors. The available action space and action argument space are provided between <|actionspace_start|> and <|actionspace_end|> to help guide your prediction. Please first analyze the customer's behavior patterns within the  <think> </think> section, then provide your prediction within the <answer> </answer> section, ensuring your prediction falls within the specified action and argument spaces. 

<|actionspace_start|>
Available actions are represented in JSON format. There are four primary action types with their corresponding action arguments:
1. input:
Action: Type text into an input field to search for a specific product. 
Action Argument: the input_text is the specific text entered by the customer.
{
"timestamp": "timestamp",
"action": "input",
"action_argument": "input_text",
}

2. click:
Action: Click on a button or clickable element on the Amazon website.
Action Argument: The click_type is one of the buttons or clickable elements including review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter. Select one of these elements as action argument.
{
"timestamp": "timestamp",
"action": "click",
"action_argument": "click_type",
}

3. click_product:
Action: Click on product links or product images.
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the clicked product.
{
"timestamp": "timestamp",
"action": "click_product",
"action_argument": "product_asin",
}

4. purchase:
Action: indicate intent to purchase by clicking on any purchase-related button. This includes clicking "Add to Cart", "Buy Now", "Set Subscription", or "Checkout" buttons for specific products. 
Action Argument: the Amazon Standard Identification Number (i.e., product_asin) of the product being purchased.
{
"timestamp": "timestamp",
"action": "purchase",
"action_argument": "product_asin",
}
<|actionspace_end|>

<|memory_start|>
{"timestamp": "2025-03-27T22:43:21.311Z", "action": "input", "action_argument": "dental pod"}
{"timestamp": "2025-03-30T03:29:39.157Z", "action": "input", "action_argument": "ukulele"}
{"timestamp": "2025-03-30T03:32:00.203Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:32:27.001Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:03.219Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:33.087Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:33:52.811Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-03-30T03:53:28.946Z", "action": "purchase", "action_argument": "B0BDRHRFD2"}
{"timestamp": "2025-04-07T17:18:42.141Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-07T17:18:48.054Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:50.409Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:53.880Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:18:57.022Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:18:57.044Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-07T17:19:10.886Z", "action": "click_product", "action_argument": "B003K01BMI"}
{"timestamp": "2025-04-07T17:20:20.576Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:20:23.864Z", "action": "purchase", "action_argument": "B003K01BMI"}
{"timestamp": "2025-04-07T17:21:31.650Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:32.920Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:37.169Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:38.900Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:21:41.486Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:02.139Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:03.404Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-07T17:22:13.506Z", "action": "input", "action_argument": "shampoo"}
{"timestamp": "2025-04-07T17:25:33.461Z", "action": "input", "action_argument": "shampoo karatetesh"}
{"timestamp": "2025-04-07T17:25:56.355Z", "action": "click_product", "action_argument": "B01KNWRJYY"}
{"timestamp": "2025-04-07T17:48:07.075Z", "action": "input", "action_argument": "shampoo oily hair"}
{"timestamp": "2025-04-07T17:49:16.955Z", "action": "click_product", "action_argument": "B0B4BG3HPM"}
{"timestamp": "2025-04-07T17:51:28.052Z", "action": "input", "action_argument": "opalex shampoo"}
{"timestamp": "2025-04-07T17:51:52.323Z", "action": "click_product", "action_argument": "B07D37PQGL"}
{"timestamp": "2025-04-07T17:52:42.162Z", "action": "purchase", "action_argument": "B07D37PQGL"}
{"timestamp": "2025-04-18T00:53:17.368Z", "action": "input", "action_argument": "battery"}
{"timestamp": "2025-04-18T00:53:36.674Z", "action": "input", "action_argument": "battery AAA"}
{"timestamp": "2025-04-18T00:53:47.889Z", "action": "click_product", "action_argument": "B00A4BBCIE"}
{"timestamp": "2025-04-18T00:54:19.066Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:19.363Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:19.846Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-18T00:54:44.549Z", "action": "input", "action_argument": "battery AA"}
{"timestamp": "2025-04-18T00:55:52.731Z", "action": "click_product", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-18T00:56:55.187Z", "action": "purchase", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-18T00:57:01.092Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-18T00:57:06.833Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:10.100Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:13.363Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:13.389Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-18T00:57:16.318Z", "action": "purchase", "action_argument": "B00000JHQ6"}
{"timestamp": "2025-04-22T21:41:24.680Z", "action": "input", "action_argument": "iphone16 pro screen protector"}
{"timestamp": "2025-04-22T21:42:41.781Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-22T21:44:06.320Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-22T21:45:17.983Z", "action": "purchase", "action_argument": "B0D9BBV4FZ"}
{"timestamp": "2025-04-24T16:13:40.192Z", "action": "input", "action_argument": "phlips toothbrush"}
{"timestamp": "2025-04-24T16:13:57.428Z", "action": "click", "action_argument": "filter"}
{"timestamp": "2025-04-24T16:14:13.054Z", "action": "click_product", "action_argument": "B09LD8T445"}
{"timestamp": "2025-04-24T16:15:31.200Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:34.936Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:36.396Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:15:38.401Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-24T16:16:06.685Z", "action": "click_product", "action_argument": "B078GVH2VH"}
{"timestamp": "2025-04-24T16:16:46.253Z", "action": "purchase", "action_argument": "B078GVH2VH"}
{"timestamp": "2025-04-24T16:19:15.747Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-24T16:19:21.691Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:30.728Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:30.756Z", "action": "click", "action_argument": "cart_page_select"}
{"timestamp": "2025-04-24T16:19:33.517Z", "action": "purchase", "action_argument": "B078GVH2VJ"}
{"timestamp": "2025-05-01T16:34:56.293Z", "action": "input", "action_argument": "comforter"}
{"timestamp": "2025-05-01T16:36:29.223Z", "action": "click_product", "action_argument": "B0B49MZLDB"}
{"timestamp": "2025-05-01T16:38:14.844Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:38:21.317Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:39:12.556Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-05-01T16:39:30.396Z", "action": "purchase", "action_argument": "B0B49MZLDB"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-05-01T16:40:41.439Z", "action": "input", "action_argument": "sheet"}
{"timestamp": "2025-05-01T16:40:41.545Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-05-01T16:56:31.953Z", "action": "click_product", "action_argument": "B00Q7OAPM6"}
{"timestamp": "2025-05-01T16:56:37.672Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-05-01T16:56:41.574Z", "action": "click", "action_argument": "product_option"}
<|action_end|>

<|observation_start|>
Your context will be the JSON string containing page metadata of the Amazon page you are looking at. This Amazon page is the context you observed after performing your last action.
{
  "search_term": [
    {
  "term": "sheets"
}
  ],
  "cart_items": [
    {"title": "Philips Sonicare ProtectiveClean 5100 Rechargeable Electric Toothbrush, with Pressure Sensor, 3 Cleaning Modes, SmarTimer and QuadPacer, 14-Day Battery Life, Travel Case, White, Model HX6857/11", "asin": "B078GVH2VH", "price": "$79.96", "quantity": "1"},
    {"title": "Good Earth Sweet and Spicy All-Natural Caffeine-Free Herbal Tea Bags, 25-Count (Pack of 3)", "asin": "B00F8LX34G", "price": "$23.95", "quantity": "2"},
    {"title": "Aveeno Fresh Greens Blend Natural Volumizing Shampoo, Cucumber, Rosemary, for Fine Hair, 12 fl oz", "asin": "B07HMK15G9", "price": "$7.71", "quantity": "1"},
    {"title": "Aveeno Rose Water & Chamomile Shampoo for Dry Hair, Hydrating, 12 fl oz", "asin": "B07HMP4JL4", "price": "$14.19", "quantity": "1"},
    {"title": "Purina Tidy Cats Low Dust, Multi Cat, Clumping Cat Litter Odor Control Formula, LightWeight Glade Clear Springs - 17 lb. Box", "asin": "B07KYLF5S8", "price": "$25.99", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 18 Lbs", "asin": "B089LLHMQL", "price": "$18.89", "quantity": "1"},
    {"title": "ASUS ROG Strix LC II 240 ARGB White Edition All-in-one AIO Liquid CPU Cooler 240mm Radiator, Intel LGA1700, 115x/2066 and AMD AM4/TR4 Support, 2X 120mm 4-pin PWM Addressable RGB Radiator Fans", "asin": "B0B16YGZKM", "price": "$99.99", "quantity": "1"},
    {"title": "GameSir G7 SE Wired Controller for Xbox Series X|S, Xbox One & Windows 10/11, Plug and Play Gaming Gamepad with Hall Effect Joysticks/Hall Trigger, 3.5mm Audio Jack", "asin": "B0C7GW9F88", "price": "$36.07", "quantity": "2"},
    {"title": "Instinct Raw Boost Healthy Weight, Natural Dry Cat Food with Freeze Dried Pieces, Grain Free Recipe - Real Chicken, 10 lb. Bag", "asin": "B06XDQFYZM", "price": "$51.99", "quantity": "3"},
    {"title": "Kleenex Ultra Soft Facial, 3 Flat Boxes, 120 per Box, 3-Ply (360 Total), Packaging May Vary", "asin": "B09M6JWHV5", "price": "$6.59", "quantity": "1"},
    {"title": "Amazon Echo Dot (newest model), Vibrant sounding Alexa speaker, Great for bedrooms, dining rooms and offices, Charcoal", "asin": "B09B8V1LZ3", "price": "$37.99", "quantity": "1"},
    {"title": "Temptations Classic Crunchy and Soft Cat Treats Creamy Dairy Flavor, 16 oz. Tub", "asin": "B00OLSARSW", "price": "$8.48", "quantity": "1"},
    {"title": "Instinct Raw Boost Healthy Weight, Natural Dry Dog Food with Freeze Dried Pieces, Grain Free Recipe - Real Chicken, 20 lb. Bag", "asin": "B06XDRFT18", "price": "$80.74", "quantity": "1"},
    {"title": "ACANA Indoor Entree Dry Cat Food, Free Run Chicken and Turkey Recipe, 4 lb", "asin": "B086TW812H", "price": "$20.99", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 18 Lbs", "asin": "B089LLHMQL", "price": "$17.95", "quantity": "1"},
    {"title": "Graphics Card GPU Brace Support, Video Card Sag Holder Bracket, GPU Stand (L, 74-120mm)", "asin": "B09FPJL1KY", "price": "$9.99", "quantity": "1"},
    {"title": "Temptations MixUps Catnip Fever Flavor Crunchy and Soft Cat Treats, 16 oz. Tub", "asin": "B00OLSARS2", "price": "$8.48", "quantity": "1"},
    {"title": "Pampers Baby Wipes, Free & Gentle, Hypoallergenic and Unscented Wipe, 100% Plant Based, Plastic-Free for Babies, 936 Total (12 Flip-Top Packs)", "asin": "B0CVH1SPNX", "price": "$34.97", "quantity": "1"},
    {"title": "Pampers Baby Wipes Aqua Pure, 99% water-based wipes, Hypoallergenic and Unscented Baby Wipes, 672 Wipes Total (12 Flip-Top Packs)", "asin": "B0BJ13XWDD", "price": "$35.07", "quantity": "1"},
    {"title": "ARM & HAMMER Clump & Seal Slide Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 27.5 Lbs", "asin": "B09V65VY5J", "price": "$26.99", "quantity": "1"},
    {"title": "Logitech MX Anywhere 3S Compact Wireless Mouse, Fast Scrolling, 8K DPI Any-Surface Tracking, Quiet Clicks, Programmable Buttons, USB C, Bluetooth, Windows PC, Linux, Chrome, Mac - Graphite", "asin": "B0BPY4ZQXG", "price": "$78.12", "quantity": "1"},
    {"title": "Remington Shine Therapy 1 inch Hair Straightener Iron, Flat Iron Infused with Argan Oil & Keratin, Professional Ceramic Flat Iron for Less Frizz, Shines and Smooth, Styling Tools", "asin": "B09GKY436P", "price": "$20.90", "quantity": "1"},
    {"title": "Instinct Ultimate Protein, Natural Dry Cat Food, Grain Free Recipe - Cage Free Chicken, 4 lb. Bag", "asin": "B06XP17HNT", "price": "$36.99", "quantity": "1"},
    {"title": "Logitech G PRO X SUPERLIGHT 2 wireless gaming mouse, 60 g pro-grade mouse with 5 programmable buttons, 44k DPI sensor, 8 kHz report rate, USB-C charging for PC/Mac - White", "asin": "B09NBWQDKX", "price": "$131.99", "quantity": "1"},
    {"title": "Logitech MX Anywhere 3S Compact Wireless Mouse, Fast Scrolling, 8K DPI Any-Surface Tracking, Quiet Clicks, Programmable Buttons, USB C, Bluetooth, Windows PC, Linux, Chrome, Mac - Pale Grey", "asin": "B0BPY1JM2Q", "price": "$89.97", "quantity": "1"},
    {"title": "IAMS Proactive Health Indoor Weight Control & Hairball Care Adult Dry Cat Food with Chicken & Turkey, 22 lb. Bag", "asin": "B01BMBPOJ2", "price": "$39.98"},
    {"title": "Temptations MixUps Catnip Fever Flavor Crunchy and Soft Cat Treats, 16 oz. Tub", "asin": "B00OLSARS2", "price": "$8.48"},
    {"title": "OxiClean White Revive Laundry Whitener and Stain Remover Power Paks, 24 Count", "asin": "B00HTNTKY8", "price": "$8.98"},
    {"title": "Small Avocados, 6 Ct", "asin": "B07FXSZ49R", "price": "$4.97"},
    {"title": "ARM & HAMMER Clump & Seal SLIDE Platinum Multi-Cat Clumping Litter, Easy Clean, Superior Odor Control, 37 Lbs", "asin": "B07GL8SLKY", "price": "$34.99"},
    {"title": "Purina Fancy Feast Lickable Wet Cat Food Broth Complement Classics Collection Variety Pack - (Pack of 12) 1.4 oz. Pouches", "asin": "B00TNL1LMS", "price": "$13.27"},
    {"title": "Wonderful Halos Mandarins, 3 Pound (Pack of 1)", "asin": "B00HT7U55W", "price": "$3.99"},
    {"title": "Blue Buffalo Wilderness Nature's Evolutionary Diet High-Protein, Grain-Free Natural Dry Food for Adult Cats, Chicken, 6-lb. Bag", "asin": "B00X04EBJY", "price": "$28.98"},
    {"title": "Purina Cat Chow Naturals With Added Vitamins, Minerals and Nutrients Dry Cat Food, Naturals Original - 13 lb. Bag", "asin": "B005FVLAKI", "price": "$18.99"},
    {"title": "Hartz Delectables Stew Lickable Wet Cat Treats for Adult & Senior Cats, Variety Pack, 1.4 Ounce (Pack of 12)", "asin": "B073WLPYMP", "price": "$12.94"},
    {"title": "Himalaya Botanique Anticavity Fluoride Toothpaste, Fluoride with Multi-Benefit Support, Fights Cavities, Strengthens Enamel, Promotes Remineralization, Mint Flavor, 4 oz.", "asin": "B0CB1Y1Q1R", "price": "$4.67"}
  ],
  "product_details": [
    {
  "asin": "B00Q7O9TN2"
},
    {
  "title": "Amazon Basics Lightweight Super Soft Easy Care Wrinkle Free Breathable Microfiber 3 Piece Bed Sheet Set with 14-Inch Deep Pockets, Twin, Beige, Solid"
},
    {
  "price": "$12.99"
},
    {
  "bullet_list": "100% Polyester Microfiber Imported SOFT AND COZY: Experience ultra-soft comfort with our 85 GSM brushed microfiber sheet set ALL-SEASON COMFORT: Enjoy breathable, all-season comfort with our 100% polyester sheet sets ELEGANT STYLE: Enhance your bedroom atmosphere with the classic pattern of this bed sheet set EASY CARE: These 85 GSM brushed microfiber sheets are machine washable, dryer safe, and wrinkle and shrink resistant HIGH STANDARDS: Certified MADE IN GREEN by OEKO-TEX, which means that products are tested for harmful substances and made in safer workplaces with reduced environmental impacts"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Color": "Beige"
},
    {
  "Size": "Twin"
}
  ],
  "promotion_items": [
    {"title": "California Design Den 100% Cotton 2-Pack Twin Size Bed Sheets, Soft & Durable Twin Bed Sheets Set with Deep Pockets, Twin Sheet Set with Sateen Weave, Cooling Sheets (Beige)", "asin": "B0CNY11NDL", "price": "$62.99", "quantity": ""},
    {"title": "Brooklinen Luxury Percale 4 Piece Sheet Set - 100% Cotton, Queen Size in Cream - 1 Fitted Sheet, 1 Flat Sheet, 2 Pillowcases | Best Sheets for Hot Sleepers", "asin": "B0BTK1GDHC", "price": "$189.00", "quantity": ""},
    {"title": "Bedsure Full Size Bed Sheets - 4 Pieces Soft Full Sheet Set - Breathable & Cooling - Hotel Luxury - Easy Care Polyester Microfiber Bedding for Women, Men, Dark Grey", "asin": "B07TVMCZPR", "price": "$17.99", "quantity": ""},
    {"title": "LANE LINEN 100% Organic Cotton Sheets Set Pure Long- Staple Percale Weave - Bedding for Bed Fits Mattress Upto 15in Deep Pocket (Twin Taupe)", "asin": "B081D8K6CQ", "price": "$33.83", "quantity": ""},
    {"title": "Bedsure Twin XL Sheet Set Dorm Bedding, Cooling Twin Extra Long Sheets, Rayon Derived from Bamboo, Deep Pocket Up to 16 Inches, Hotel Luxury Silky Bedding, Bedsheets & Pillowcases, Light Beige", "asin": "B0C7C7CYKP", "price": "$39.09", "quantity": ""},
    {"title": "California Design Den Full Size Bed Sheets Set - Soft 400 Thread Count Sateen, Natural 100% Cotton Sheets Full Size Bed Set, Deep Pockets, Durable Bedding - White", "asin": "B06XS23RKY", "price": "$39.99", "quantity": ""},
    {"title": "Bare Home Full Sheet Set - Luxury 1800 Ultra-Soft Microfiber Full Bed Sheets - Double Brushed - Deep Pockets - Easy Fit - 4 Piece Set - Bedding Sheets & Pillowcases (Full, Sage)", "asin": "B01FGBADU4", "price": "$37.99", "quantity": ""}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-05-01T16:56:57.864Z", // the timestamp when this action occurs
"action": "string", // one of four action: input, click, click_product, purchase
"acion_argument": "string", // appropriate value based on action type: input_text, click_type (i.e., select one from review, product_option, other, nav_bar, quantity, page_related, suggested_term, cart_side_bar, cart_page_select, filter), or product_asin
}
</answer>"

<|im_end|>
<|im_start|>assistant
<think>

train