<|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": "2025-04-07T21:31:22.663Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-07T21:34:56.122Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-07T21:35:14.082Z", "action": "input", "action_argument": "muji matcah"}
{"timestamp": "2025-04-08T04:35:04.556Z", "action": "input", "action_argument": "swiffer"}
{"timestamp": "2025-04-08T04:35:28.074Z", "action": "click_product", "action_argument": "B00HZ6WFZA"}
{"timestamp": "2025-04-08T04:35:32.787Z", "action": "purchase", "action_argument": "B00HZ6WFZA"}
{"timestamp": "2025-04-16T15:10:19.937Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-16T15:10:59.353Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-16T15:11:07.215Z", "action": "purchase", "action_argument": "B09VKP2T7Z"}
{"timestamp": "2025-04-16T15:11:09.923Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-16T15:11:15.377Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-16T15:11:16.518Z", "action": "purchase", "action_argument": "B09VKP2T7Z"}
{"timestamp": "2025-04-20T23:35:54.798Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-20T23:37:47.230Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-20T23:37:47.258Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-27T01:24:31.708Z", "action": "input", "action_argument": "sephora"}
{"timestamp": "2025-04-27T01:24:37.336Z", "action": "input", "action_argument": "farmacy"}
{"timestamp": "2025-04-27T01:24:37.383Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-27T01:25:07.600Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-28T02:34:56.766Z", "action": "click_product", "action_argument": "B01AW1R2W0"}
{"timestamp": "2025-04-28T02:35:25.076Z", "action": "click_product", "action_argument": "B0CPQ7FHNY"}
{"timestamp": "2025-04-28T02:36:41.173Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:36:53.953Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:36:56.400Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:01.494Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:02.667Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:05.397Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:06.827Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:07.700Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:09.000Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:57.386Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:38:03.196Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:38:15.105Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:38:23.133Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:38:27.727Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:39:49.430Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:40:12.291Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:40:25.106Z", "action": "click_product", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:41:03.816Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:41:08.463Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:43:24.149Z", "action": "click_product", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:44:23.382Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:44:27.240Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:44:31.311Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:44:33.076Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-29T03:04:44.732Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:10:18.429Z", "action": "click_product", "action_argument": "B001W2MBSE"}
{"timestamp": "2025-04-29T03:11:54.263Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:54.679Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:56.216Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:57.456Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:12:43.314Z", "action": "input", "action_argument": "viva naturals omega 3 fish oil"}
{"timestamp": "2025-04-29T03:19:52.910Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-29T03:19:59.112Z", "action": "click_product", "action_argument": "B014LDT0ZM"}
{"timestamp": "2025-04-29T03:20:08.831Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-29T03:20:13.295Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-29T03:20:45.799Z", "action": "purchase", "action_argument": "B014LDT0ZM"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-29T17:24:01.638Z", "action": "click", "action_argument": "nav_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": "Stumptown Coffee Roasters Whole Bean, Trapper Creek Decaf, Whole Bean Trapper Creek Decaf, 12 Oz", "asin": "B00RXYPJZM", "price": "$22.95", "quantity": ""},
    {"title": "Lavazza - L`Espresso Gran Crema Beans - 1 kg", "asin": "B01CAADVJO", "price": "$28.55", "quantity": ""},
    {"title": "Breville Bambino Espresso Machine BES450BSS, Brushed Stainless Steel", "asin": "B0B1JPPG2L", "price": "$269.95", "quantity": ""},
    {"title": "Lifeboost Medium Roast Decaf Coffee Beans \u2013 Organic Low Acid Swiss Water Decaf \u2013 Whole Bean Coffee \u2013 Third Party Tested for Mycotoxins & Pesticides \u2013 Chemical Free \u2013 12 oz", "asin": "B08KH5TSJM", "price": "$27.95", "quantity": ""},
    {"title": "Gavi\u00f1a Old Havana Espresso, Whole Bean, 100% Arabica Coffee, 32 oz Bag", "asin": "B007ZN4H5O", "price": "$29.99", "quantity": ""},
    {"title": "Peet's Coffee, Dark Roast Whole Bean Coffee - Major Dickason's Blend 18 Ounce Bag", "asin": "B087K8DC6X", "price": "$12.99", "quantity": ""},
    {"title": "Lavazza Decaf Dark Espresso Roast Whole Bean Coffee, 1.1-lb Bag - Authentic Italian Blend, Creamy with Smooth Flavor", "asin": "B0002E2EYY", "price": "$16.47", "quantity": ""},
    {"title": "Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Founder's Blend Bag with Flavor Notes of Vanilla and Cocoa Powder, 12 Ounce (Pack of 1)", "asin": "B076ZZGHPH", "price": "$15.72", "quantity": ""},
    {"title": "Blue Bottle Whole Bean Organic Coffee, Balanced, Medium Roast, 12 Ounce bag (Pack of 2)", "asin": "B0CJ8X9YPK", "price": "$28.96", "quantity": ""},
    {"title": "Lavazza Espresso Italiano Whole Bean Coffee Blend, Medium Roast,Premium Quality Arabic, 2.2 Pound (Pack of 2) (Packaging may vary)", "asin": "B0D14WYG8F", "price": "$33.56", "quantity": ""},
    {"title": "Bundle of Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Holler Mountain 12 Oz + Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Founder's Blend Bag 12 Oz", "asin": "B0CZS7Y7QB", "price": "$30.70", "quantity": ""},
    {"title": "Blue Bottle Whole Bean Organic Coffee, Balanced, Medium Roast, 12 Ounce bag (Pack of 6)", "asin": "B09Z3BZQYP", "price": "$82.39", "quantity": ""},
    {"title": "Blue Bottle Coffee - Beta Blend 12 oz", "asin": "B01JURPPQW", "price": "$34.85", "quantity": ""},
    {"title": "Counter Culture Coffee - Fresh Roasted Certified Organic Whole Bean Coffee (Kosher) (Even Keel)", "asin": "B0CLSDHRYJ", "price": "$19.50", "quantity": ""}
  ],
  "saved_items": [
    {"title": "Blue Bottle Whole Bean Organic Coffee, Bold, Dark Roast, 12 Ounce bag (Pack of 1)", "asin": "B08FXTKBQ8", "options": [{"Flavor Name": "Bold"}, {"Size": "12 Ounce (Pack of 1)"}]},
    {"title": "Shiseido Ultimate Sun Protector Lotion - 50 mL - Invisible Broad-Spectrum SPF 60+ Sunscreen for Face & Body - Lightweight Formula - All Skin Types - Free of Oxybenzone & Octinoxate", "asin": "B0CV1XSJZ2", "options": [{"Style": "SPF 60+ Lotion, 1.7 Fl Oz"}]},
    {"title": "Seven Minerals Organic Aloe Vera Gel from freshly cut 100% Pure Aloe - Big 12oz - HighestQuality, Texas grown, Vegan, Unscented - For Face, Skin, Hair, Sunburn relief", "asin": "B00XTTFI6K", "options": [{"Size": "12 Fl Oz"}]},
    {"title": "Quaker, Instant Steel Cut Oatmeal, Cranberries And Blueberries, 8 Ct", "asin": "B01GJZ972G", "options": []}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-29T17:24:04.730Z", // 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": "2025-04-07T21:31:22.663Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-07T21:34:56.122Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-07T21:35:14.082Z", "action": "input", "action_argument": "muji matcah"}
{"timestamp": "2025-04-08T04:35:04.556Z", "action": "input", "action_argument": "swiffer"}
{"timestamp": "2025-04-08T04:35:28.074Z", "action": "click_product", "action_argument": "B00HZ6WFZA"}
{"timestamp": "2025-04-08T04:35:32.787Z", "action": "purchase", "action_argument": "B00HZ6WFZA"}
{"timestamp": "2025-04-16T15:10:19.937Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-16T15:10:59.353Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-16T15:11:07.215Z", "action": "purchase", "action_argument": "B09VKP2T7Z"}
{"timestamp": "2025-04-16T15:11:09.923Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-16T15:11:15.377Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-16T15:11:16.518Z", "action": "purchase", "action_argument": "B09VKP2T7Z"}
{"timestamp": "2025-04-20T23:35:54.798Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-20T23:37:47.230Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-20T23:37:47.258Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-27T01:24:31.708Z", "action": "input", "action_argument": "sephora"}
{"timestamp": "2025-04-27T01:24:37.336Z", "action": "input", "action_argument": "farmacy"}
{"timestamp": "2025-04-27T01:24:37.383Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-27T01:25:07.600Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-28T02:34:56.766Z", "action": "click_product", "action_argument": "B01AW1R2W0"}
{"timestamp": "2025-04-28T02:35:25.076Z", "action": "click_product", "action_argument": "B0CPQ7FHNY"}
{"timestamp": "2025-04-28T02:36:41.173Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:36:53.953Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:36:56.400Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:01.494Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:02.667Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:05.397Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:06.827Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:07.700Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:09.000Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:57.386Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:38:03.196Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:38:15.105Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:38:23.133Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:38:27.727Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:39:49.430Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:40:12.291Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:40:25.106Z", "action": "click_product", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:41:03.816Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:41:08.463Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:43:24.149Z", "action": "click_product", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:44:23.382Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:44:27.240Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:44:31.311Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:44:33.076Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-29T03:04:44.732Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:10:18.429Z", "action": "click_product", "action_argument": "B001W2MBSE"}
{"timestamp": "2025-04-29T03:11:54.263Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:54.679Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:56.216Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:57.456Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:12:43.314Z", "action": "input", "action_argument": "viva naturals omega 3 fish oil"}
{"timestamp": "2025-04-29T03:19:52.910Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-29T03:19:59.112Z", "action": "click_product", "action_argument": "B014LDT0ZM"}
{"timestamp": "2025-04-29T03:20:08.831Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-29T03:20:13.295Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-29T03:20:45.799Z", "action": "purchase", "action_argument": "B014LDT0ZM"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-29T17:24:01.638Z", "action": "click", "action_argument": "nav_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": "Stumptown Coffee Roasters Whole Bean, Trapper Creek Decaf, Whole Bean Trapper Creek Decaf, 12 Oz", "asin": "B00RXYPJZM", "price": "$22.95", "quantity": ""},
    {"title": "Lavazza - L`Espresso Gran Crema Beans - 1 kg", "asin": "B01CAADVJO", "price": "$28.55", "quantity": ""},
    {"title": "Breville Bambino Espresso Machine BES450BSS, Brushed Stainless Steel", "asin": "B0B1JPPG2L", "price": "$269.95", "quantity": ""},
    {"title": "Lifeboost Medium Roast Decaf Coffee Beans \u2013 Organic Low Acid Swiss Water Decaf \u2013 Whole Bean Coffee \u2013 Third Party Tested for Mycotoxins & Pesticides \u2013 Chemical Free \u2013 12 oz", "asin": "B08KH5TSJM", "price": "$27.95", "quantity": ""},
    {"title": "Gavi\u00f1a Old Havana Espresso, Whole Bean, 100% Arabica Coffee, 32 oz Bag", "asin": "B007ZN4H5O", "price": "$29.99", "quantity": ""},
    {"title": "Peet's Coffee, Dark Roast Whole Bean Coffee - Major Dickason's Blend 18 Ounce Bag", "asin": "B087K8DC6X", "price": "$12.99", "quantity": ""},
    {"title": "Lavazza Decaf Dark Espresso Roast Whole Bean Coffee, 1.1-lb Bag - Authentic Italian Blend, Creamy with Smooth Flavor", "asin": "B0002E2EYY", "price": "$16.47", "quantity": ""},
    {"title": "Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Founder's Blend Bag with Flavor Notes of Vanilla and Cocoa Powder, 12 Ounce (Pack of 1)", "asin": "B076ZZGHPH", "price": "$15.72", "quantity": ""},
    {"title": "Blue Bottle Whole Bean Organic Coffee, Balanced, Medium Roast, 12 Ounce bag (Pack of 2)", "asin": "B0CJ8X9YPK", "price": "$28.96", "quantity": ""},
    {"title": "Lavazza Espresso Italiano Whole Bean Coffee Blend, Medium Roast,Premium Quality Arabic, 2.2 Pound (Pack of 2) (Packaging may vary)", "asin": "B0D14WYG8F", "price": "$33.56", "quantity": ""},
    {"title": "Bundle of Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Holler Mountain 12 Oz + Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Founder's Blend Bag 12 Oz", "asin": "B0CZS7Y7QB", "price": "$30.70", "quantity": ""},
    {"title": "Blue Bottle Whole Bean Organic Coffee, Balanced, Medium Roast, 12 Ounce bag (Pack of 6)", "asin": "B09Z3BZQYP", "price": "$82.39", "quantity": ""},
    {"title": "Blue Bottle Coffee - Beta Blend 12 oz", "asin": "B01JURPPQW", "price": "$34.85", "quantity": ""},
    {"title": "Counter Culture Coffee - Fresh Roasted Certified Organic Whole Bean Coffee (Kosher) (Even Keel)", "asin": "B0CLSDHRYJ", "price": "$19.50", "quantity": ""}
  ],
  "saved_items": [
    {"title": "Blue Bottle Whole Bean Organic Coffee, Bold, Dark Roast, 12 Ounce bag (Pack of 1)", "asin": "B08FXTKBQ8", "options": [{"Flavor Name": "Bold"}, {"Size": "12 Ounce (Pack of 1)"}]},
    {"title": "Shiseido Ultimate Sun Protector Lotion - 50 mL - Invisible Broad-Spectrum SPF 60+ Sunscreen for Face & Body - Lightweight Formula - All Skin Types - Free of Oxybenzone & Octinoxate", "asin": "B0CV1XSJZ2", "options": [{"Style": "SPF 60+ Lotion, 1.7 Fl Oz"}]},
    {"title": "Seven Minerals Organic Aloe Vera Gel from freshly cut 100% Pure Aloe - Big 12oz - HighestQuality, Texas grown, Vegan, Unscented - For Face, Skin, Hair, Sunburn relief", "asin": "B00XTTFI6K", "options": [{"Size": "12 Fl Oz"}]},
    {"title": "Quaker, Instant Steel Cut Oatmeal, Cranberries And Blueberries, 8 Ct", "asin": "B01GJZ972G", "options": []}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-29T17:24:04.730Z", // 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>

<|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": "2025-04-07T21:31:22.663Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-07T21:34:56.122Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-07T21:35:14.082Z", "action": "input", "action_argument": "muji matcah"}
{"timestamp": "2025-04-08T04:35:04.556Z", "action": "input", "action_argument": "swiffer"}
{"timestamp": "2025-04-08T04:35:28.074Z", "action": "click_product", "action_argument": "B00HZ6WFZA"}
{"timestamp": "2025-04-08T04:35:32.787Z", "action": "purchase", "action_argument": "B00HZ6WFZA"}
{"timestamp": "2025-04-16T15:10:19.937Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-16T15:10:59.353Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-16T15:11:07.215Z", "action": "purchase", "action_argument": "B09VKP2T7Z"}
{"timestamp": "2025-04-16T15:11:09.923Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-16T15:11:15.377Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-16T15:11:16.518Z", "action": "purchase", "action_argument": "B09VKP2T7Z"}
{"timestamp": "2025-04-20T23:35:54.798Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-20T23:37:47.230Z", "action": "input", "action_argument": "coffee"}
{"timestamp": "2025-04-20T23:37:47.258Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-27T01:24:31.708Z", "action": "input", "action_argument": "sephora"}
{"timestamp": "2025-04-27T01:24:37.336Z", "action": "input", "action_argument": "farmacy"}
{"timestamp": "2025-04-27T01:24:37.383Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-27T01:25:07.600Z", "action": "click", "action_argument": "product_option"}
{"timestamp": "2025-04-28T02:34:56.766Z", "action": "click_product", "action_argument": "B01AW1R2W0"}
{"timestamp": "2025-04-28T02:35:25.076Z", "action": "click_product", "action_argument": "B0CPQ7FHNY"}
{"timestamp": "2025-04-28T02:36:41.173Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:36:53.953Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:36:56.400Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:01.494Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:02.667Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:05.397Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:06.827Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:07.700Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:09.000Z", "action": "click", "action_argument": "review"}
{"timestamp": "2025-04-28T02:37:57.386Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:38:03.196Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:38:15.105Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:38:23.133Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:38:27.727Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:39:49.430Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:40:12.291Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:40:25.106Z", "action": "click_product", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:41:03.816Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:41:08.463Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:43:24.149Z", "action": "click_product", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-28T02:44:23.382Z", "action": "click", "action_argument": "nav_bar"}
{"timestamp": "2025-04-28T02:44:27.240Z", "action": "click", "action_argument": "other"}
{"timestamp": "2025-04-28T02:44:31.311Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-28T02:44:33.076Z", "action": "purchase", "action_argument": "B0849S7C5W"}
{"timestamp": "2025-04-29T03:04:44.732Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:10:18.429Z", "action": "click_product", "action_argument": "B001W2MBSE"}
{"timestamp": "2025-04-29T03:11:54.263Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:54.679Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:56.216Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:11:57.456Z", "action": "input", "action_argument": "move free"}
{"timestamp": "2025-04-29T03:12:43.314Z", "action": "input", "action_argument": "viva naturals omega 3 fish oil"}
{"timestamp": "2025-04-29T03:19:52.910Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-29T03:19:59.112Z", "action": "click_product", "action_argument": "B014LDT0ZM"}
{"timestamp": "2025-04-29T03:20:08.831Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-29T03:20:13.295Z", "action": "click", "action_argument": "quantity"}
{"timestamp": "2025-04-29T03:20:45.799Z", "action": "purchase", "action_argument": "B014LDT0ZM"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-04-29T17:24:01.638Z", "action": "click", "action_argument": "nav_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": "Stumptown Coffee Roasters Whole Bean, Trapper Creek Decaf, Whole Bean Trapper Creek Decaf, 12 Oz", "asin": "B00RXYPJZM", "price": "$22.95", "quantity": ""},
    {"title": "Lavazza - L`Espresso Gran Crema Beans - 1 kg", "asin": "B01CAADVJO", "price": "$28.55", "quantity": ""},
    {"title": "Breville Bambino Espresso Machine BES450BSS, Brushed Stainless Steel", "asin": "B0B1JPPG2L", "price": "$269.95", "quantity": ""},
    {"title": "Lifeboost Medium Roast Decaf Coffee Beans \u2013 Organic Low Acid Swiss Water Decaf \u2013 Whole Bean Coffee \u2013 Third Party Tested for Mycotoxins & Pesticides \u2013 Chemical Free \u2013 12 oz", "asin": "B08KH5TSJM", "price": "$27.95", "quantity": ""},
    {"title": "Gavi\u00f1a Old Havana Espresso, Whole Bean, 100% Arabica Coffee, 32 oz Bag", "asin": "B007ZN4H5O", "price": "$29.99", "quantity": ""},
    {"title": "Peet's Coffee, Dark Roast Whole Bean Coffee - Major Dickason's Blend 18 Ounce Bag", "asin": "B087K8DC6X", "price": "$12.99", "quantity": ""},
    {"title": "Lavazza Decaf Dark Espresso Roast Whole Bean Coffee, 1.1-lb Bag - Authentic Italian Blend, Creamy with Smooth Flavor", "asin": "B0002E2EYY", "price": "$16.47", "quantity": ""},
    {"title": "Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Founder's Blend Bag with Flavor Notes of Vanilla and Cocoa Powder, 12 Ounce (Pack of 1)", "asin": "B076ZZGHPH", "price": "$15.72", "quantity": ""},
    {"title": "Blue Bottle Whole Bean Organic Coffee, Balanced, Medium Roast, 12 Ounce bag (Pack of 2)", "asin": "B0CJ8X9YPK", "price": "$28.96", "quantity": ""},
    {"title": "Lavazza Espresso Italiano Whole Bean Coffee Blend, Medium Roast,Premium Quality Arabic, 2.2 Pound (Pack of 2) (Packaging may vary)", "asin": "B0D14WYG8F", "price": "$33.56", "quantity": ""},
    {"title": "Bundle of Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Holler Mountain 12 Oz + Stumptown Coffee Roasters, Medium Roast Organic Whole Bean Coffee - Founder's Blend Bag 12 Oz", "asin": "B0CZS7Y7QB", "price": "$30.70", "quantity": ""},
    {"title": "Blue Bottle Whole Bean Organic Coffee, Balanced, Medium Roast, 12 Ounce bag (Pack of 6)", "asin": "B09Z3BZQYP", "price": "$82.39", "quantity": ""},
    {"title": "Blue Bottle Coffee - Beta Blend 12 oz", "asin": "B01JURPPQW", "price": "$34.85", "quantity": ""},
    {"title": "Counter Culture Coffee - Fresh Roasted Certified Organic Whole Bean Coffee (Kosher) (Even Keel)", "asin": "B0CLSDHRYJ", "price": "$19.50", "quantity": ""}
  ],
  "saved_items": [
    {"title": "Blue Bottle Whole Bean Organic Coffee, Bold, Dark Roast, 12 Ounce bag (Pack of 1)", "asin": "B08FXTKBQ8", "options": [{"Flavor Name": "Bold"}, {"Size": "12 Ounce (Pack of 1)"}]},
    {"title": "Shiseido Ultimate Sun Protector Lotion - 50 mL - Invisible Broad-Spectrum SPF 60+ Sunscreen for Face & Body - Lightweight Formula - All Skin Types - Free of Oxybenzone & Octinoxate", "asin": "B0CV1XSJZ2", "options": [{"Style": "SPF 60+ Lotion, 1.7 Fl Oz"}]},
    {"title": "Seven Minerals Organic Aloe Vera Gel from freshly cut 100% Pure Aloe - Big 12oz - HighestQuality, Texas grown, Vegan, Unscented - For Face, Skin, Hair, Sunburn relief", "asin": "B00XTTFI6K", "options": [{"Size": "12 Fl Oz"}]},
    {"title": "Quaker, Instant Steel Cut Oatmeal, Cranberries And Blueberries, 8 Ct", "asin": "B01GJZ972G", "options": []}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-04-29T17:24:04.730Z", // 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>
