<|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": "2025-04-17T01:23:12.753Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-17T01:23:48.261Z", "action": "input", "action_argument": "ice"}
{"timestamp": "2025-04-20T14:31:49.289Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-20T14:33:20.774Z", "action": "click_product", "action_argument": "B0743KVCJC"}
{"timestamp": "2025-04-20T14:37:18.501Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:37:40.735Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:38:37.569Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:10.524Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:13.162Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:17.046Z", "action": "purchase", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:40:21.419Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-20T14:40:26.255Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:42:01.212Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-20T14:42:16.801Z", "action": "click_product", "action_argument": "B0DYZX33W5"}
{"timestamp": "2025-04-20T14:43:07.125Z", "action": "click_product", "action_argument": "B0DLK12F7F"}
{"timestamp": "2025-04-20T14:45:29.360Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-20T21:10:32.932Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-20T21:11:11.786Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-20T21:11:22.473Z", "action": "input", "action_argument": "t450"}
{"timestamp": "2025-04-21T14:12:44.513Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-21T14:12:51.758Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-21T19:14:15.923Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:14:25.158Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-21T19:14:40.358Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-21T19:16:49.069Z", "action": "input", "action_argument": "auto card "}
{"timestamp": "2025-04-21T19:16:49.079Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:17:28.614Z", "action": "click_product", "action_argument": "B09Q69K331"}
{"timestamp": "2025-04-21T19:17:36.373Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-21T19:18:15.120Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-21T19:18:19.372Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-21T19:19:14.720Z", "action": "input", "action_argument": "auto card shuffler any size"}
{"timestamp": "2025-04-21T19:23:34.050Z", "action": "purchase", "action_argument": "B09Q69K331"}
{"timestamp": "2025-04-21T19:24:09.850Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-21T19:24:21.531Z", "action": "purchase", "action_argument": "B09Q69K331, B01FFOY006"}
{"timestamp": "2025-04-21T19:26:53.417Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:29:06.445Z", "action": "click_product", "action_argument": "B0CCBVY3BV"}
{"timestamp": "2025-04-21T19:29:16.930Z", "action": "purchase", "action_argument": "B0CCBVY3BV"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-21T19:29:21.185Z", "action": "click", "action_argument": "cart_side_bar"}
<|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": ""
}
  ],
  "promotion_items": [
    {"title": "K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2016-2025 Subaru: Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV, 33-5064", "asin": "B075TKKCTM", "price": "$49.84", "quantity": ""},
    {"title": "Braun Clean & Renew Refill Cartridges CCR, Cleans your Shaver for Optimal Hygiene, Removes Residual Hair & Skin Particles, Lemon Scent, 22.8 fl oz (Pack of 4)", "asin": "B06VXND7JF", "price": "$23.44", "quantity": ""},
    {"title": "BOSCH 6092C HEPA Cabin Air Filter - Compatible with Select Subaru Ascent, Crosstrek, Impreza, Legacy, Outback, Toyota C-HR, Corolla, Prius, Prius AWD-e, Prius Prime, RAV4, RAV4 Prime, Venza", "asin": "B0864KW8SD", "price": "$14.07", "quantity": ""},
    {"title": "FRAM Extra Guard Flexible Panel Engine Air Filter Replacement, Easy Install w/Advanced Engine Protection and Optimal Performance, CA12295 for Select Subaru Vehicles", "asin": "B07QRB9FQR", "price": "$13.34", "quantity": ""},
    {"title": "Layrite Natural Matte Cream Oz", "asin": "/promo/A3IIQ1IEWUTX17", "price": "$24.50", "quantity": ""},
    {"title": "Philips Sonicare Genuine W DiamondClean Toothbrush Heads, 2 Brush Heads, Black, HX6062/95", "asin": "B0795XF6MS", "price": "$26.96", "quantity": ""},
    {"title": "PG Engine Air Filter PA99365 | Fits 2019-2025 Subaru Forester, 2018-2025 Crosstrek, 2020-2025 Outback, 2019-2025 Ascent, 2017-2025 Impreza, 2020-2025 Legacy, 2022-2025 WRX", "asin": "B07JBXL5NN", "price": "$18.09", "quantity": ""},
    {"title": "FRAM Extra Guard CA9997 Replacement Engine Air Filter for Select Subaru Models, Provides Up to 12 Months or 12,000 Miles Filter Protection", "asin": "/promo/A20QLAXUIIH7JK", "price": "$14.50", "quantity": ""},
    {"title": "Bicycle Playing Cards, Jumbo Index, 2 Pack", "asin": "B000BUUTJ6", "price": "$5.44", "quantity": ""},
    {"title": "Spearhead MPG Defense Max Thrust Engine Air Filter For All Mileage Vehicles, Fits Like OEM, Restores MPG & Acceleration (MT-295)", "asin": "B08KSPMRMK", "price": "$15.81", "quantity": ""},
    {"title": "Bicycle Rider Back Playing Cards, Standard Index, Poker Cards, Premium Playing Cards, Red & Blue, 2 Count (Pack of 1)", "asin": "B09SDKSXLZ", "price": "$7.60", "quantity": ""},
    {"title": "Philips Sonicare Genuine C2 Optimal Plaque Control Toothbrush Heads, 3 Brush Heads, White, HX9023/65", "asin": "B078BF27BF", "price": "$27.96", "quantity": ""},
    {"title": "PlayMonster Five Crowns \u2014 The Game Isn't Over Until the Kings Go Wild! \u2014 5 Suited Rummy-Style Card Game \u2014 For Ages 8+", "asin": "B00000IV35", "price": "$8.79", "quantity": ""},
    {"title": "Philips Norelco OneBlade Intimate, Designed for Pubic Grooming, Trim & Shave with Extra Skin Protection, Waterproof, Model QP1924/70", "asin": "B0CLWH333W", "price": "$29.99", "quantity": ""}
  ],
  "active_items": [
    {"title": "Spearhead Odor Defense Breathe Easy AC & Heater Cabin Filter | Fits 2019-24 Forester, 2022-24 WRX Like OEM | Up to 25% Longer Lasting w/Activated Carbon (BE-277)", "asin": "B0CCBVY3BV", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Style": "BE-277 1-Pack"}]},
    {"title": "FEIERYA Automatic Card Shuffler 2 Deck,Battery-Operated Electric UNO Poker Shuffler,Playing Card Shuffler for Home Card Game,Travel", "asin": "B09Q69K331", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "1-2 Decks"}]},
    {"title": "Philips OneBlade Replacement Blade QP220/50", "asin": "B01FFOY006", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "2 Count (Pack of 1)"}]}
  ],
  "saved_items": [
    {"title": "Vornado EV100 Evaporative Whole Room Humidifier with SimpleTank, 1 Gallon Capacity, White", "asin": "B01J79RAXO", "options": [{"Size": "EV100 - 1 gallon"}, {"Style": "Humidifier"}]},
    {"title": "Green tea Marukyu Co., Ltd. Oyama Garden Isuzu 40g canned (Isuzu)", "asin": "B00E92YWKY", "options": []},
    {"title": "Saker Silicone Caulking Tools-3 in 1 Sealant Finishing Tool Grout Remove Scraper (Stainless Steelhead),Caulk Remover Glass Glue Angle Scraper for Bathroom,Kitchen,Floor,Window,Sink Joint,Frames Seal", "asin": "B08TM2F4BH", "price": "$15.99", "options": [{"Color": "Black"}]}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-21T19:29:28.090Z", // 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": "2025-04-17T01:23:12.753Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-17T01:23:48.261Z", "action": "input", "action_argument": "ice"}
{"timestamp": "2025-04-20T14:31:49.289Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-20T14:33:20.774Z", "action": "click_product", "action_argument": "B0743KVCJC"}
{"timestamp": "2025-04-20T14:37:18.501Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:37:40.735Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:38:37.569Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:10.524Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:13.162Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:17.046Z", "action": "purchase", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:40:21.419Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-20T14:40:26.255Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:42:01.212Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-20T14:42:16.801Z", "action": "click_product", "action_argument": "B0DYZX33W5"}
{"timestamp": "2025-04-20T14:43:07.125Z", "action": "click_product", "action_argument": "B0DLK12F7F"}
{"timestamp": "2025-04-20T14:45:29.360Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-20T21:10:32.932Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-20T21:11:11.786Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-20T21:11:22.473Z", "action": "input", "action_argument": "t450"}
{"timestamp": "2025-04-21T14:12:44.513Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-21T14:12:51.758Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-21T19:14:15.923Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:14:25.158Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-21T19:14:40.358Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-21T19:16:49.069Z", "action": "input", "action_argument": "auto card "}
{"timestamp": "2025-04-21T19:16:49.079Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:17:28.614Z", "action": "click_product", "action_argument": "B09Q69K331"}
{"timestamp": "2025-04-21T19:17:36.373Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-21T19:18:15.120Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-21T19:18:19.372Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-21T19:19:14.720Z", "action": "input", "action_argument": "auto card shuffler any size"}
{"timestamp": "2025-04-21T19:23:34.050Z", "action": "purchase", "action_argument": "B09Q69K331"}
{"timestamp": "2025-04-21T19:24:09.850Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-21T19:24:21.531Z", "action": "purchase", "action_argument": "B09Q69K331, B01FFOY006"}
{"timestamp": "2025-04-21T19:26:53.417Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:29:06.445Z", "action": "click_product", "action_argument": "B0CCBVY3BV"}
{"timestamp": "2025-04-21T19:29:16.930Z", "action": "purchase", "action_argument": "B0CCBVY3BV"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-21T19:29:21.185Z", "action": "click", "action_argument": "cart_side_bar"}
<|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": ""
}
  ],
  "promotion_items": [
    {"title": "K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2016-2025 Subaru: Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV, 33-5064", "asin": "B075TKKCTM", "price": "$49.84", "quantity": ""},
    {"title": "Braun Clean & Renew Refill Cartridges CCR, Cleans your Shaver for Optimal Hygiene, Removes Residual Hair & Skin Particles, Lemon Scent, 22.8 fl oz (Pack of 4)", "asin": "B06VXND7JF", "price": "$23.44", "quantity": ""},
    {"title": "BOSCH 6092C HEPA Cabin Air Filter - Compatible with Select Subaru Ascent, Crosstrek, Impreza, Legacy, Outback, Toyota C-HR, Corolla, Prius, Prius AWD-e, Prius Prime, RAV4, RAV4 Prime, Venza", "asin": "B0864KW8SD", "price": "$14.07", "quantity": ""},
    {"title": "FRAM Extra Guard Flexible Panel Engine Air Filter Replacement, Easy Install w/Advanced Engine Protection and Optimal Performance, CA12295 for Select Subaru Vehicles", "asin": "B07QRB9FQR", "price": "$13.34", "quantity": ""},
    {"title": "Layrite Natural Matte Cream Oz", "asin": "/promo/A3IIQ1IEWUTX17", "price": "$24.50", "quantity": ""},
    {"title": "Philips Sonicare Genuine W DiamondClean Toothbrush Heads, 2 Brush Heads, Black, HX6062/95", "asin": "B0795XF6MS", "price": "$26.96", "quantity": ""},
    {"title": "PG Engine Air Filter PA99365 | Fits 2019-2025 Subaru Forester, 2018-2025 Crosstrek, 2020-2025 Outback, 2019-2025 Ascent, 2017-2025 Impreza, 2020-2025 Legacy, 2022-2025 WRX", "asin": "B07JBXL5NN", "price": "$18.09", "quantity": ""},
    {"title": "FRAM Extra Guard CA9997 Replacement Engine Air Filter for Select Subaru Models, Provides Up to 12 Months or 12,000 Miles Filter Protection", "asin": "/promo/A20QLAXUIIH7JK", "price": "$14.50", "quantity": ""},
    {"title": "Bicycle Playing Cards, Jumbo Index, 2 Pack", "asin": "B000BUUTJ6", "price": "$5.44", "quantity": ""},
    {"title": "Spearhead MPG Defense Max Thrust Engine Air Filter For All Mileage Vehicles, Fits Like OEM, Restores MPG & Acceleration (MT-295)", "asin": "B08KSPMRMK", "price": "$15.81", "quantity": ""},
    {"title": "Bicycle Rider Back Playing Cards, Standard Index, Poker Cards, Premium Playing Cards, Red & Blue, 2 Count (Pack of 1)", "asin": "B09SDKSXLZ", "price": "$7.60", "quantity": ""},
    {"title": "Philips Sonicare Genuine C2 Optimal Plaque Control Toothbrush Heads, 3 Brush Heads, White, HX9023/65", "asin": "B078BF27BF", "price": "$27.96", "quantity": ""},
    {"title": "PlayMonster Five Crowns \u2014 The Game Isn't Over Until the Kings Go Wild! \u2014 5 Suited Rummy-Style Card Game \u2014 For Ages 8+", "asin": "B00000IV35", "price": "$8.79", "quantity": ""},
    {"title": "Philips Norelco OneBlade Intimate, Designed for Pubic Grooming, Trim & Shave with Extra Skin Protection, Waterproof, Model QP1924/70", "asin": "B0CLWH333W", "price": "$29.99", "quantity": ""}
  ],
  "active_items": [
    {"title": "Spearhead Odor Defense Breathe Easy AC & Heater Cabin Filter | Fits 2019-24 Forester, 2022-24 WRX Like OEM | Up to 25% Longer Lasting w/Activated Carbon (BE-277)", "asin": "B0CCBVY3BV", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Style": "BE-277 1-Pack"}]},
    {"title": "FEIERYA Automatic Card Shuffler 2 Deck,Battery-Operated Electric UNO Poker Shuffler,Playing Card Shuffler for Home Card Game,Travel", "asin": "B09Q69K331", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "1-2 Decks"}]},
    {"title": "Philips OneBlade Replacement Blade QP220/50", "asin": "B01FFOY006", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "2 Count (Pack of 1)"}]}
  ],
  "saved_items": [
    {"title": "Vornado EV100 Evaporative Whole Room Humidifier with SimpleTank, 1 Gallon Capacity, White", "asin": "B01J79RAXO", "options": [{"Size": "EV100 - 1 gallon"}, {"Style": "Humidifier"}]},
    {"title": "Green tea Marukyu Co., Ltd. Oyama Garden Isuzu 40g canned (Isuzu)", "asin": "B00E92YWKY", "options": []},
    {"title": "Saker Silicone Caulking Tools-3 in 1 Sealant Finishing Tool Grout Remove Scraper (Stainless Steelhead),Caulk Remover Glass Glue Angle Scraper for Bathroom,Kitchen,Floor,Window,Sink Joint,Frames Seal", "asin": "B08TM2F4BH", "price": "$15.99", "options": [{"Color": "Black"}]}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-21T19:29:28.090Z", // 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>suggested_term</answer_argument>
rule
<answer_action>click</answer_action><answer_argument>suggested_term</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": "2025-04-17T01:23:12.753Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-17T01:23:48.261Z", "action": "input", "action_argument": "ice"}
{"timestamp": "2025-04-20T14:31:49.289Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-20T14:33:20.774Z", "action": "click_product", "action_argument": "B0743KVCJC"}
{"timestamp": "2025-04-20T14:37:18.501Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:37:40.735Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:38:37.569Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:10.524Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:13.162Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-20T14:40:17.046Z", "action": "purchase", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:40:21.419Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-20T14:40:26.255Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-20T14:42:01.212Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-20T14:42:16.801Z", "action": "click_product", "action_argument": "B0DYZX33W5"}
{"timestamp": "2025-04-20T14:43:07.125Z", "action": "click_product", "action_argument": "B0DLK12F7F"}
{"timestamp": "2025-04-20T14:45:29.360Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-20T21:10:32.932Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-20T21:11:11.786Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-20T21:11:22.473Z", "action": "input", "action_argument": "t450"}
{"timestamp": "2025-04-21T14:12:44.513Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-21T14:12:51.758Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-21T19:14:15.923Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:14:25.158Z", "action": "click_product", "action_argument": "B0C2J8XTYY"}
{"timestamp": "2025-04-21T19:14:40.358Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-21T19:16:49.069Z", "action": "input", "action_argument": "auto card "}
{"timestamp": "2025-04-21T19:16:49.079Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:17:28.614Z", "action": "click_product", "action_argument": "B09Q69K331"}
{"timestamp": "2025-04-21T19:17:36.373Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-21T19:18:15.120Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-21T19:18:19.372Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-21T19:19:14.720Z", "action": "input", "action_argument": "auto card shuffler any size"}
{"timestamp": "2025-04-21T19:23:34.050Z", "action": "purchase", "action_argument": "B09Q69K331"}
{"timestamp": "2025-04-21T19:24:09.850Z", "action": "click", "action_argument": "cart_side_bar"}
{"timestamp": "2025-04-21T19:24:21.531Z", "action": "purchase", "action_argument": "B09Q69K331, B01FFOY006"}
{"timestamp": "2025-04-21T19:26:53.417Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-21T19:29:06.445Z", "action": "click_product", "action_argument": "B0CCBVY3BV"}
{"timestamp": "2025-04-21T19:29:16.930Z", "action": "purchase", "action_argument": "B0CCBVY3BV"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-21T19:29:21.185Z", "action": "click", "action_argument": "cart_side_bar"}
<|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": ""
}
  ],
  "promotion_items": [
    {"title": "K&N High-Flow Original Lifetime Engine Air Filter: Increase Power: Premium, Washable: Compatible with 2016-2025 Subaru: Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV, 33-5064", "asin": "B075TKKCTM", "price": "$49.84", "quantity": ""},
    {"title": "Braun Clean & Renew Refill Cartridges CCR, Cleans your Shaver for Optimal Hygiene, Removes Residual Hair & Skin Particles, Lemon Scent, 22.8 fl oz (Pack of 4)", "asin": "B06VXND7JF", "price": "$23.44", "quantity": ""},
    {"title": "BOSCH 6092C HEPA Cabin Air Filter - Compatible with Select Subaru Ascent, Crosstrek, Impreza, Legacy, Outback, Toyota C-HR, Corolla, Prius, Prius AWD-e, Prius Prime, RAV4, RAV4 Prime, Venza", "asin": "B0864KW8SD", "price": "$14.07", "quantity": ""},
    {"title": "FRAM Extra Guard Flexible Panel Engine Air Filter Replacement, Easy Install w/Advanced Engine Protection and Optimal Performance, CA12295 for Select Subaru Vehicles", "asin": "B07QRB9FQR", "price": "$13.34", "quantity": ""},
    {"title": "Layrite Natural Matte Cream Oz", "asin": "/promo/A3IIQ1IEWUTX17", "price": "$24.50", "quantity": ""},
    {"title": "Philips Sonicare Genuine W DiamondClean Toothbrush Heads, 2 Brush Heads, Black, HX6062/95", "asin": "B0795XF6MS", "price": "$26.96", "quantity": ""},
    {"title": "PG Engine Air Filter PA99365 | Fits 2019-2025 Subaru Forester, 2018-2025 Crosstrek, 2020-2025 Outback, 2019-2025 Ascent, 2017-2025 Impreza, 2020-2025 Legacy, 2022-2025 WRX", "asin": "B07JBXL5NN", "price": "$18.09", "quantity": ""},
    {"title": "FRAM Extra Guard CA9997 Replacement Engine Air Filter for Select Subaru Models, Provides Up to 12 Months or 12,000 Miles Filter Protection", "asin": "/promo/A20QLAXUIIH7JK", "price": "$14.50", "quantity": ""},
    {"title": "Bicycle Playing Cards, Jumbo Index, 2 Pack", "asin": "B000BUUTJ6", "price": "$5.44", "quantity": ""},
    {"title": "Spearhead MPG Defense Max Thrust Engine Air Filter For All Mileage Vehicles, Fits Like OEM, Restores MPG & Acceleration (MT-295)", "asin": "B08KSPMRMK", "price": "$15.81", "quantity": ""},
    {"title": "Bicycle Rider Back Playing Cards, Standard Index, Poker Cards, Premium Playing Cards, Red & Blue, 2 Count (Pack of 1)", "asin": "B09SDKSXLZ", "price": "$7.60", "quantity": ""},
    {"title": "Philips Sonicare Genuine C2 Optimal Plaque Control Toothbrush Heads, 3 Brush Heads, White, HX9023/65", "asin": "B078BF27BF", "price": "$27.96", "quantity": ""},
    {"title": "PlayMonster Five Crowns \u2014 The Game Isn't Over Until the Kings Go Wild! \u2014 5 Suited Rummy-Style Card Game \u2014 For Ages 8+", "asin": "B00000IV35", "price": "$8.79", "quantity": ""},
    {"title": "Philips Norelco OneBlade Intimate, Designed for Pubic Grooming, Trim & Shave with Extra Skin Protection, Waterproof, Model QP1924/70", "asin": "B0CLWH333W", "price": "$29.99", "quantity": ""}
  ],
  "active_items": [
    {"title": "Spearhead Odor Defense Breathe Easy AC & Heater Cabin Filter | Fits 2019-24 Forester, 2022-24 WRX Like OEM | Up to 25% Longer Lasting w/Activated Carbon (BE-277)", "asin": "B0CCBVY3BV", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Style": "BE-277 1-Pack"}]},
    {"title": "FEIERYA Automatic Card Shuffler 2 Deck,Battery-Operated Electric UNO Poker Shuffler,Playing Card Shuffler for Home Card Game,Travel", "asin": "B09Q69K331", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Color": "1-2 Decks"}]},
    {"title": "Philips OneBlade Replacement Blade QP220/50", "asin": "B01FFOY006", "delivery": "FREE delivery Mon, Apr 28 available at checkout FREE Returns", "quantity": "1", "selected": true, "options": [{"Size": "2 Count (Pack of 1)"}]}
  ],
  "saved_items": [
    {"title": "Vornado EV100 Evaporative Whole Room Humidifier with SimpleTank, 1 Gallon Capacity, White", "asin": "B01J79RAXO", "options": [{"Size": "EV100 - 1 gallon"}, {"Style": "Humidifier"}]},
    {"title": "Green tea Marukyu Co., Ltd. Oyama Garden Isuzu 40g canned (Isuzu)", "asin": "B00E92YWKY", "options": []},
    {"title": "Saker Silicone Caulking Tools-3 in 1 Sealant Finishing Tool Grout Remove Scraper (Stainless Steelhead),Caulk Remover Glass Glue Angle Scraper for Bathroom,Kitchen,Floor,Window,Sink Joint,Frames Seal", "asin": "B08TM2F4BH", "price": "$15.99", "options": [{"Color": "Black"}]}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-21T19:29:28.090Z", // 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