<|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": "2025-04-09T20:39:45.943Z", "action": "input", "action_argument": "mini kit kat"}
{"timestamp": "2025-04-09T20:40:36.739Z", "action": "input", "action_argument": "japanese mini kit kat"}
{"timestamp": "2025-04-09T20:46:03.874Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-09T20:47:04.911Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-09T20:51:03.991Z", "action": "purchase", "action_argument": "B0DJ854XR5"}
{"timestamp": "2025-04-09T20:52:06.263Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:24.012Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:50.247Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:53.480Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:58.777Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:53:00.927Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:53:08.595Z", "action": "purchase", "action_argument": "B0DJ854XR5"}
{"timestamp": "2025-04-12T01:05:09.691Z", "action": "input", "action_argument": "always ultra thin pads"}
{"timestamp": "2025-04-12T01:07:28.744Z", "action": "input", "action_argument": "sticky notes"}
{"timestamp": "2025-04-12T01:41:02.579Z", "action": "purchase", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T01:41:15.902Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-12T01:41:21.981Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-12T01:41:28.560Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-12T17:22:30.466Z", "action": "click_product", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T17:23:48.839Z", "action": "input", "action_argument": "always+ultra+thin+pads regular"}
{"timestamp": "2025-04-12T17:24:29.365Z", "action": "click_product", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T17:24:33.460Z", "action": "purchase", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T23:46:14.011Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-12T23:46:36.177Z", "action": "click", "action_argument": "review"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-13T21:11:27.286Z", "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": "sticky notes"
}
  ],
  "product_details": [
    {
  "asin": "B0BPJYH7FS"
},
    {
  "title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 5 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products"
},
    {
  "price": "$6.45"
},
    {
  "bullet_list": "GET ORGANIZED: Each pack includes 5 pads of 3 in. x 3 in. notes, with 70 sheets per pad, great for your office, work area, or classroom EXPERIENCE THE POWER OF 2X STICKINESS: Post-it Super Sticky Notes offer twice the sticking power of basic sticky notes using 100% recycled paper 100% RECYCLED PAPER: Post-it Notes paper is sourced from certified and responsibly-managed forests VERSATILE AND ESSENTIAL: Post-it Super Sticky Notes are the perfect solution for shopping lists, reminders, to-do lists, color-coding, labeling, family chore reminders, brainstorming, storyboarding, and quick notes VARIOUS SIZES AND SHAPES: Available in different sizes, with or without lines, to cater to your specific needs EYE-CATCHING COLORS: Vibrant and colorful reminders are more likely to grab attention and be noticed INTRODUCING THE OASIS COLLECTION: Keep calm and collected with the soothing blues and greens of the Oasis collection including Washed Denim, Fresh Mint, Limeade, Lucky Green, Sea Glass"
},
    {
  "bullet_list": "  STICK AND RESTICK ANYWHERE: These notes use water-based adhesive to stick firmly to walls, windows, doors, and other vertical surfaces, allowing you to move your reminders with ease  TRUST THE ORIGINAL CREATOR: Made in the USA with globally sourced materials, the one and only Post-it Note was invented over 40 years ago by the Post-it Brand  SUSTAINABILITY: Post-it Super Sticky Notes can be recycled  "
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
},
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Color": "Canary Yellow"
}
  ],
  "promotion_items": [
    {"title": "Post-it Notes, 1 3/8 in x 1 7/8 in, 24 Sticky Note Pads, 100 Sheets per Pad, Beachside Caf\u00e9 Collection, School Supplies and Office Products", "asin": "B00168CPYO", "price": "$12.11", "quantity": ""},
    {"title": "Eastern Wolf Sticky Notes,8 Pads 3x3 Inch Removable Notes, Memo pads, 8 Bright Multi Colors Adhesive Notes, Self-Stick Notes, 85 Sheet/Pad", "asin": "B08H593JZG", "price": "$6.49", "quantity": ""},
    {"title": "Sticky Notes 1.5x2 inch Bright Colors Self-Stick Pads 8 Pads/Pack 100 Sheets/Pad Total 800 Sheets", "asin": "B07V7JRKHY", "price": "$4.99", "quantity": ""},
    {"title": "Post-it Super Sticky Notes Teacher Pack, Assorted Colors, 3 in. x 3 in., 15 Pads/Pack, 45 Sheets/Pad (654-15SSBTS-SR)", "asin": "B0BT8CF59D", "price": "$14.66", "quantity": ""},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 12 Pads, 70 Sheets per Pad, Wanderlust Pastels, School Supplies and Office Products", "asin": "B0BPJTRF4Y", "price": "$15.37", "quantity": ""},
    {"title": "16 Pack Sticky Notes 3x3 in Post, Pastel Colors Sticky Note Pads, Recyclable, Stick...", "asin": "B0D53JF7FZ", "price": "$7.99", "quantity": ""},
    {"title": "Sticky Notes 3x3 Inches, 8 Pads, 800 Sheets, 8 Color Sticky Note Pads, Premium Stic...", "asin": "B0CY1YZQS7", "price": "$5.99", "quantity": ""},
    {"title": "(24 Pack) Sticky Notes 3x3 in Post Bright Stickies Colorful Super Sticking Power Memo Pads, Strong Adhesive, 74 Sheets/pad", "asin": "B07VRYX57R", "price": "$14.99", "quantity": ""},
    {"title": "9 Pack Lined Sticky Notes 4X6 in Post Sticky Notes with Lines, Large Ruled Bright C...", "asin": "B0CKZFM5R1", "price": "$7.73", "quantity": ""},
    {"title": "umikk 50 Pads Mini Sticky Notes 1.5X 2 inch, Small Self-Stick Note, Bulk Tiny Pads for Office, School, Home, 100 Sheets/Pad, 4 Pastel Colors, Pink, Yellow, Green, Blue", "asin": "B07PHS9SX3", "price": "$12.74", "quantity": ""},
    {"title": "Sticky Notes 3x3 in (12 Pads) Bright Colored Super Self Sticky Pads - 100 Sheets/Pa...", "asin": "B07DMZVC5M", "price": "$12.15", "quantity": ""},
    {"title": "Sticky Notes Set, Post Self-Stick Notes Pads for Journaling Notebook Planner Study, Office Supplies College Essentials Back to School Supplies for High School Students Teen Girl Gifts Preppy Stuff", "asin": "B07H934WK4", "price": "$5.39", "quantity": ""},
    {"title": "24 Pack Lined Sticky Notes 3x3 in Post Ruled Stickies Super Sticking Power Memo Pad...", "asin": "B0DLGNP952", "price": "$8.09", "quantity": ""},
    {"title": "36 Pack Sticky Notes 1.5x2 in Post, 2160 Sheets Post Small Self Sticky Notes Pad It...", "asin": "B0CXCCTZS8", "price": "$6.83", "quantity": ""},
    {"title": "Early Buy 6 Pads Lined Sticky Notes with Lines 4x6 Self-Stick Notes Bright Color Sticky Notes, 45 Sheets/Pad (Yellow)", "asin": "B09198PBW1", "price": "$7.99", "quantity": ""},
    {"title": "Sticky Notes, 12 Pads, 3x3 inches, Soft Pastel Self-Stick Note Pads, Perfect for Office, Study, and Daily Life Organization - Soft Pastel", "asin": "B0CMGJ6FRB", "price": "$5.99", "quantity": ""},
    {"title": "Bubble Sticky Notes 3x3 in, 8 Pads, Super Cute Bright Color Strong Adhesive Post, C...", "asin": "B0C89KP1LS", "price": "$6.88", "quantity": ""},
    {"title": "(16 Pack) Sticky Notes 3x3, Vintage Colors, Sticky Pads, Recyclable, Self-Stick Pads, Easy to Post for Home, Office, Notebook", "asin": "B0CWNBBD2W", "price": "$8.99", "quantity": ""},
    {"title": "(16 Pack) Sticky Notes 3x3, Self-Stick Pads Bright Colors Sticky Note, Recyclable, Easy to Post for Home, Office, Notebook", "asin": "B0CZ6S4T3K", "price": "$8.99", "quantity": ""},
    {"title": "Eastern Wolf Sticky Notes,8 Pads 3x3 Inch Removable Notes, Memo pads, 8 Bright Multi Colors Adhesive Notes, Self-Stick Notes, 85 Sheet/Pad", "asin": "B08H593JZG", "price": "$6.49", "quantity": ""},
    {"title": "Post-it Super Sticky Notes Teacher Pack, Assorted Colors, 3 in. x 3 in., 15 Pads/Pack, 45 Sheets/Pad (654-15SSBTS-SR)", "asin": "B0BT8CF59D", "price": "$14.69", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 5 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJYH7FS", "price": "$6.45"},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 12 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJYBG3N", "price": "$16.01"},
    {"title": "Post-it Notes, 3 in x 3 in, 12 Sticky Note Pads, 100 Sheets per Pad, Beachside Caf\u00e9 Collection, School Supplies and Office Products", "asin": "B00006JNO1", "price": "$14.32"},
    {"title": "Post-it Super Sticky Recycled Notes, 3x3 in, 5 Pads, 2X The Sticking Power, Oasis Collection, 30% Recycled Paper (654-5SST)", "asin": "B001GX8PDY", "price": "$12.72"},
    {"title": "Post-it Notes, 3 in x 5 in, 12 Sticky Notes Pads, 100 Sheets per Pad, Canary Yellow, The Original Post-it Note, School Supplies and O?ce Products", "asin": "B00006JNNN", "price": "$17.41"},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, Lined, 4 in. x 4 in., 3 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJVJQL8", "price": "$5.68"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-13T21:11:32.271Z", // 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": "2025-04-09T20:39:45.943Z", "action": "input", "action_argument": "mini kit kat"}
{"timestamp": "2025-04-09T20:40:36.739Z", "action": "input", "action_argument": "japanese mini kit kat"}
{"timestamp": "2025-04-09T20:46:03.874Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-09T20:47:04.911Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-09T20:51:03.991Z", "action": "purchase", "action_argument": "B0DJ854XR5"}
{"timestamp": "2025-04-09T20:52:06.263Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:24.012Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:50.247Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:53.480Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:58.777Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:53:00.927Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:53:08.595Z", "action": "purchase", "action_argument": "B0DJ854XR5"}
{"timestamp": "2025-04-12T01:05:09.691Z", "action": "input", "action_argument": "always ultra thin pads"}
{"timestamp": "2025-04-12T01:07:28.744Z", "action": "input", "action_argument": "sticky notes"}
{"timestamp": "2025-04-12T01:41:02.579Z", "action": "purchase", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T01:41:15.902Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-12T01:41:21.981Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-12T01:41:28.560Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-12T17:22:30.466Z", "action": "click_product", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T17:23:48.839Z", "action": "input", "action_argument": "always+ultra+thin+pads regular"}
{"timestamp": "2025-04-12T17:24:29.365Z", "action": "click_product", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T17:24:33.460Z", "action": "purchase", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T23:46:14.011Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-12T23:46:36.177Z", "action": "click", "action_argument": "review"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-13T21:11:27.286Z", "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": "sticky notes"
}
  ],
  "product_details": [
    {
  "asin": "B0BPJYH7FS"
},
    {
  "title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 5 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products"
},
    {
  "price": "$6.45"
},
    {
  "bullet_list": "GET ORGANIZED: Each pack includes 5 pads of 3 in. x 3 in. notes, with 70 sheets per pad, great for your office, work area, or classroom EXPERIENCE THE POWER OF 2X STICKINESS: Post-it Super Sticky Notes offer twice the sticking power of basic sticky notes using 100% recycled paper 100% RECYCLED PAPER: Post-it Notes paper is sourced from certified and responsibly-managed forests VERSATILE AND ESSENTIAL: Post-it Super Sticky Notes are the perfect solution for shopping lists, reminders, to-do lists, color-coding, labeling, family chore reminders, brainstorming, storyboarding, and quick notes VARIOUS SIZES AND SHAPES: Available in different sizes, with or without lines, to cater to your specific needs EYE-CATCHING COLORS: Vibrant and colorful reminders are more likely to grab attention and be noticed INTRODUCING THE OASIS COLLECTION: Keep calm and collected with the soothing blues and greens of the Oasis collection including Washed Denim, Fresh Mint, Limeade, Lucky Green, Sea Glass"
},
    {
  "bullet_list": "  STICK AND RESTICK ANYWHERE: These notes use water-based adhesive to stick firmly to walls, windows, doors, and other vertical surfaces, allowing you to move your reminders with ease  TRUST THE ORIGINAL CREATOR: Made in the USA with globally sourced materials, the one and only Post-it Note was invented over 40 years ago by the Post-it Brand  SUSTAINABILITY: Post-it Super Sticky Notes can be recycled  "
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
},
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Color": "Canary Yellow"
}
  ],
  "promotion_items": [
    {"title": "Post-it Notes, 1 3/8 in x 1 7/8 in, 24 Sticky Note Pads, 100 Sheets per Pad, Beachside Caf\u00e9 Collection, School Supplies and Office Products", "asin": "B00168CPYO", "price": "$12.11", "quantity": ""},
    {"title": "Eastern Wolf Sticky Notes,8 Pads 3x3 Inch Removable Notes, Memo pads, 8 Bright Multi Colors Adhesive Notes, Self-Stick Notes, 85 Sheet/Pad", "asin": "B08H593JZG", "price": "$6.49", "quantity": ""},
    {"title": "Sticky Notes 1.5x2 inch Bright Colors Self-Stick Pads 8 Pads/Pack 100 Sheets/Pad Total 800 Sheets", "asin": "B07V7JRKHY", "price": "$4.99", "quantity": ""},
    {"title": "Post-it Super Sticky Notes Teacher Pack, Assorted Colors, 3 in. x 3 in., 15 Pads/Pack, 45 Sheets/Pad (654-15SSBTS-SR)", "asin": "B0BT8CF59D", "price": "$14.66", "quantity": ""},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 12 Pads, 70 Sheets per Pad, Wanderlust Pastels, School Supplies and Office Products", "asin": "B0BPJTRF4Y", "price": "$15.37", "quantity": ""},
    {"title": "16 Pack Sticky Notes 3x3 in Post, Pastel Colors Sticky Note Pads, Recyclable, Stick...", "asin": "B0D53JF7FZ", "price": "$7.99", "quantity": ""},
    {"title": "Sticky Notes 3x3 Inches, 8 Pads, 800 Sheets, 8 Color Sticky Note Pads, Premium Stic...", "asin": "B0CY1YZQS7", "price": "$5.99", "quantity": ""},
    {"title": "(24 Pack) Sticky Notes 3x3 in Post Bright Stickies Colorful Super Sticking Power Memo Pads, Strong Adhesive, 74 Sheets/pad", "asin": "B07VRYX57R", "price": "$14.99", "quantity": ""},
    {"title": "9 Pack Lined Sticky Notes 4X6 in Post Sticky Notes with Lines, Large Ruled Bright C...", "asin": "B0CKZFM5R1", "price": "$7.73", "quantity": ""},
    {"title": "umikk 50 Pads Mini Sticky Notes 1.5X 2 inch, Small Self-Stick Note, Bulk Tiny Pads for Office, School, Home, 100 Sheets/Pad, 4 Pastel Colors, Pink, Yellow, Green, Blue", "asin": "B07PHS9SX3", "price": "$12.74", "quantity": ""},
    {"title": "Sticky Notes 3x3 in (12 Pads) Bright Colored Super Self Sticky Pads - 100 Sheets/Pa...", "asin": "B07DMZVC5M", "price": "$12.15", "quantity": ""},
    {"title": "Sticky Notes Set, Post Self-Stick Notes Pads for Journaling Notebook Planner Study, Office Supplies College Essentials Back to School Supplies for High School Students Teen Girl Gifts Preppy Stuff", "asin": "B07H934WK4", "price": "$5.39", "quantity": ""},
    {"title": "24 Pack Lined Sticky Notes 3x3 in Post Ruled Stickies Super Sticking Power Memo Pad...", "asin": "B0DLGNP952", "price": "$8.09", "quantity": ""},
    {"title": "36 Pack Sticky Notes 1.5x2 in Post, 2160 Sheets Post Small Self Sticky Notes Pad It...", "asin": "B0CXCCTZS8", "price": "$6.83", "quantity": ""},
    {"title": "Early Buy 6 Pads Lined Sticky Notes with Lines 4x6 Self-Stick Notes Bright Color Sticky Notes, 45 Sheets/Pad (Yellow)", "asin": "B09198PBW1", "price": "$7.99", "quantity": ""},
    {"title": "Sticky Notes, 12 Pads, 3x3 inches, Soft Pastel Self-Stick Note Pads, Perfect for Office, Study, and Daily Life Organization - Soft Pastel", "asin": "B0CMGJ6FRB", "price": "$5.99", "quantity": ""},
    {"title": "Bubble Sticky Notes 3x3 in, 8 Pads, Super Cute Bright Color Strong Adhesive Post, C...", "asin": "B0C89KP1LS", "price": "$6.88", "quantity": ""},
    {"title": "(16 Pack) Sticky Notes 3x3, Vintage Colors, Sticky Pads, Recyclable, Self-Stick Pads, Easy to Post for Home, Office, Notebook", "asin": "B0CWNBBD2W", "price": "$8.99", "quantity": ""},
    {"title": "(16 Pack) Sticky Notes 3x3, Self-Stick Pads Bright Colors Sticky Note, Recyclable, Easy to Post for Home, Office, Notebook", "asin": "B0CZ6S4T3K", "price": "$8.99", "quantity": ""},
    {"title": "Eastern Wolf Sticky Notes,8 Pads 3x3 Inch Removable Notes, Memo pads, 8 Bright Multi Colors Adhesive Notes, Self-Stick Notes, 85 Sheet/Pad", "asin": "B08H593JZG", "price": "$6.49", "quantity": ""},
    {"title": "Post-it Super Sticky Notes Teacher Pack, Assorted Colors, 3 in. x 3 in., 15 Pads/Pack, 45 Sheets/Pad (654-15SSBTS-SR)", "asin": "B0BT8CF59D", "price": "$14.69", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 5 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJYH7FS", "price": "$6.45"},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 12 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJYBG3N", "price": "$16.01"},
    {"title": "Post-it Notes, 3 in x 3 in, 12 Sticky Note Pads, 100 Sheets per Pad, Beachside Caf\u00e9 Collection, School Supplies and Office Products", "asin": "B00006JNO1", "price": "$14.32"},
    {"title": "Post-it Super Sticky Recycled Notes, 3x3 in, 5 Pads, 2X The Sticking Power, Oasis Collection, 30% Recycled Paper (654-5SST)", "asin": "B001GX8PDY", "price": "$12.72"},
    {"title": "Post-it Notes, 3 in x 5 in, 12 Sticky Notes Pads, 100 Sheets per Pad, Canary Yellow, The Original Post-it Note, School Supplies and O?ce Products", "asin": "B00006JNNN", "price": "$17.41"},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, Lined, 4 in. x 4 in., 3 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJVJQL8", "price": "$5.68"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-13T21:11:32.271Z", // 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>product_option</answer_argument>
rule
<answer_action>click</answer_action><answer_argument>product_option</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": "2025-04-09T20:39:45.943Z", "action": "input", "action_argument": "mini kit kat"}
{"timestamp": "2025-04-09T20:40:36.739Z", "action": "input", "action_argument": "japanese mini kit kat"}
{"timestamp": "2025-04-09T20:46:03.874Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-09T20:47:04.911Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-09T20:51:03.991Z", "action": "purchase", "action_argument": "B0DJ854XR5"}
{"timestamp": "2025-04-09T20:52:06.263Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:24.012Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:50.247Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:53.480Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:52:58.777Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:53:00.927Z", "action": "click", "action_argument": "page_related"}
{"timestamp": "2025-04-09T20:53:08.595Z", "action": "purchase", "action_argument": "B0DJ854XR5"}
{"timestamp": "2025-04-12T01:05:09.691Z", "action": "input", "action_argument": "always ultra thin pads"}
{"timestamp": "2025-04-12T01:07:28.744Z", "action": "input", "action_argument": "sticky notes"}
{"timestamp": "2025-04-12T01:41:02.579Z", "action": "purchase", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T01:41:15.902Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-12T01:41:21.981Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-12T01:41:28.560Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-12T17:22:30.466Z", "action": "click_product", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T17:23:48.839Z", "action": "input", "action_argument": "always+ultra+thin+pads regular"}
{"timestamp": "2025-04-12T17:24:29.365Z", "action": "click_product", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T17:24:33.460Z", "action": "purchase", "action_argument": "B00G8DDCEE"}
{"timestamp": "2025-04-12T23:46:14.011Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-12T23:46:36.177Z", "action": "click", "action_argument": "review"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-13T21:11:27.286Z", "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": "sticky notes"
}
  ],
  "product_details": [
    {
  "asin": "B0BPJYH7FS"
},
    {
  "title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 5 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products"
},
    {
  "price": "$6.45"
},
    {
  "bullet_list": "GET ORGANIZED: Each pack includes 5 pads of 3 in. x 3 in. notes, with 70 sheets per pad, great for your office, work area, or classroom EXPERIENCE THE POWER OF 2X STICKINESS: Post-it Super Sticky Notes offer twice the sticking power of basic sticky notes using 100% recycled paper 100% RECYCLED PAPER: Post-it Notes paper is sourced from certified and responsibly-managed forests VERSATILE AND ESSENTIAL: Post-it Super Sticky Notes are the perfect solution for shopping lists, reminders, to-do lists, color-coding, labeling, family chore reminders, brainstorming, storyboarding, and quick notes VARIOUS SIZES AND SHAPES: Available in different sizes, with or without lines, to cater to your specific needs EYE-CATCHING COLORS: Vibrant and colorful reminders are more likely to grab attention and be noticed INTRODUCING THE OASIS COLLECTION: Keep calm and collected with the soothing blues and greens of the Oasis collection including Washed Denim, Fresh Mint, Limeade, Lucky Green, Sea Glass"
},
    {
  "bullet_list": "  STICK AND RESTICK ANYWHERE: These notes use water-based adhesive to stick firmly to walls, windows, doors, and other vertical surfaces, allowing you to move your reminders with ease  TRUST THE ORIGINAL CREATOR: Made in the USA with globally sourced materials, the one and only Post-it Note was invented over 40 years ago by the Post-it Brand  SUSTAINABILITY: Post-it Super Sticky Notes can be recycled  "
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
},
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Color": "Canary Yellow"
}
  ],
  "promotion_items": [
    {"title": "Post-it Notes, 1 3/8 in x 1 7/8 in, 24 Sticky Note Pads, 100 Sheets per Pad, Beachside Caf\u00e9 Collection, School Supplies and Office Products", "asin": "B00168CPYO", "price": "$12.11", "quantity": ""},
    {"title": "Eastern Wolf Sticky Notes,8 Pads 3x3 Inch Removable Notes, Memo pads, 8 Bright Multi Colors Adhesive Notes, Self-Stick Notes, 85 Sheet/Pad", "asin": "B08H593JZG", "price": "$6.49", "quantity": ""},
    {"title": "Sticky Notes 1.5x2 inch Bright Colors Self-Stick Pads 8 Pads/Pack 100 Sheets/Pad Total 800 Sheets", "asin": "B07V7JRKHY", "price": "$4.99", "quantity": ""},
    {"title": "Post-it Super Sticky Notes Teacher Pack, Assorted Colors, 3 in. x 3 in., 15 Pads/Pack, 45 Sheets/Pad (654-15SSBTS-SR)", "asin": "B0BT8CF59D", "price": "$14.66", "quantity": ""},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 12 Pads, 70 Sheets per Pad, Wanderlust Pastels, School Supplies and Office Products", "asin": "B0BPJTRF4Y", "price": "$15.37", "quantity": ""},
    {"title": "16 Pack Sticky Notes 3x3 in Post, Pastel Colors Sticky Note Pads, Recyclable, Stick...", "asin": "B0D53JF7FZ", "price": "$7.99", "quantity": ""},
    {"title": "Sticky Notes 3x3 Inches, 8 Pads, 800 Sheets, 8 Color Sticky Note Pads, Premium Stic...", "asin": "B0CY1YZQS7", "price": "$5.99", "quantity": ""},
    {"title": "(24 Pack) Sticky Notes 3x3 in Post Bright Stickies Colorful Super Sticking Power Memo Pads, Strong Adhesive, 74 Sheets/pad", "asin": "B07VRYX57R", "price": "$14.99", "quantity": ""},
    {"title": "9 Pack Lined Sticky Notes 4X6 in Post Sticky Notes with Lines, Large Ruled Bright C...", "asin": "B0CKZFM5R1", "price": "$7.73", "quantity": ""},
    {"title": "umikk 50 Pads Mini Sticky Notes 1.5X 2 inch, Small Self-Stick Note, Bulk Tiny Pads for Office, School, Home, 100 Sheets/Pad, 4 Pastel Colors, Pink, Yellow, Green, Blue", "asin": "B07PHS9SX3", "price": "$12.74", "quantity": ""},
    {"title": "Sticky Notes 3x3 in (12 Pads) Bright Colored Super Self Sticky Pads - 100 Sheets/Pa...", "asin": "B07DMZVC5M", "price": "$12.15", "quantity": ""},
    {"title": "Sticky Notes Set, Post Self-Stick Notes Pads for Journaling Notebook Planner Study, Office Supplies College Essentials Back to School Supplies for High School Students Teen Girl Gifts Preppy Stuff", "asin": "B07H934WK4", "price": "$5.39", "quantity": ""},
    {"title": "24 Pack Lined Sticky Notes 3x3 in Post Ruled Stickies Super Sticking Power Memo Pad...", "asin": "B0DLGNP952", "price": "$8.09", "quantity": ""},
    {"title": "36 Pack Sticky Notes 1.5x2 in Post, 2160 Sheets Post Small Self Sticky Notes Pad It...", "asin": "B0CXCCTZS8", "price": "$6.83", "quantity": ""},
    {"title": "Early Buy 6 Pads Lined Sticky Notes with Lines 4x6 Self-Stick Notes Bright Color Sticky Notes, 45 Sheets/Pad (Yellow)", "asin": "B09198PBW1", "price": "$7.99", "quantity": ""},
    {"title": "Sticky Notes, 12 Pads, 3x3 inches, Soft Pastel Self-Stick Note Pads, Perfect for Office, Study, and Daily Life Organization - Soft Pastel", "asin": "B0CMGJ6FRB", "price": "$5.99", "quantity": ""},
    {"title": "Bubble Sticky Notes 3x3 in, 8 Pads, Super Cute Bright Color Strong Adhesive Post, C...", "asin": "B0C89KP1LS", "price": "$6.88", "quantity": ""},
    {"title": "(16 Pack) Sticky Notes 3x3, Vintage Colors, Sticky Pads, Recyclable, Self-Stick Pads, Easy to Post for Home, Office, Notebook", "asin": "B0CWNBBD2W", "price": "$8.99", "quantity": ""},
    {"title": "(16 Pack) Sticky Notes 3x3, Self-Stick Pads Bright Colors Sticky Note, Recyclable, Easy to Post for Home, Office, Notebook", "asin": "B0CZ6S4T3K", "price": "$8.99", "quantity": ""},
    {"title": "Eastern Wolf Sticky Notes,8 Pads 3x3 Inch Removable Notes, Memo pads, 8 Bright Multi Colors Adhesive Notes, Self-Stick Notes, 85 Sheet/Pad", "asin": "B08H593JZG", "price": "$6.49", "quantity": ""},
    {"title": "Post-it Super Sticky Notes Teacher Pack, Assorted Colors, 3 in. x 3 in., 15 Pads/Pack, 45 Sheets/Pad (654-15SSBTS-SR)", "asin": "B0BT8CF59D", "price": "$14.69", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 5 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJYH7FS", "price": "$6.45"},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, 3 in. x 3 in., 12 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJYBG3N", "price": "$16.01"},
    {"title": "Post-it Notes, 3 in x 3 in, 12 Sticky Note Pads, 100 Sheets per Pad, Beachside Caf\u00e9 Collection, School Supplies and Office Products", "asin": "B00006JNO1", "price": "$14.32"},
    {"title": "Post-it Super Sticky Recycled Notes, 3x3 in, 5 Pads, 2X The Sticking Power, Oasis Collection, 30% Recycled Paper (654-5SST)", "asin": "B001GX8PDY", "price": "$12.72"},
    {"title": "Post-it Notes, 3 in x 5 in, 12 Sticky Notes Pads, 100 Sheets per Pad, Canary Yellow, The Original Post-it Note, School Supplies and O?ce Products", "asin": "B00006JNNN", "price": "$17.41"},
    {"title": "Post-it 100% Recycled Paper Super Sticky Notes, Lined, 4 in. x 4 in., 3 Pads, 70 Sheets per Pad, Oasis Collection, School Supplies and Office Products", "asin": "B0BPJVJQL8", "price": "$5.68"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-13T21:11:32.271Z", // 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