<|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": "2025-04-08T03:13:12.736Z", "action": "input", "action_argument": "502 "}
{"timestamp": "2025-04-08T03:13:12.820Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-08T03:13:59.261Z", "action": "click_product", "action_argument": "B00C32MHJU"}
{"timestamp": "2025-04-08T03:14:08.165Z", "action": "purchase", "action_argument": "B00C32MHJU"}
{"timestamp": "2025-05-08T00:17:56.552Z", "action": "input", "action_argument": "\u5243\u987b\u5200"}
{"timestamp": "2025-05-08T00:17:56.635Z", "action": "click", "action_argument": "suggested_term"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-05-08T00:20:05.988Z", "action": "input", "action_argument": "pow"}
{"timestamp": "2025-05-08T00:20:06.017Z", "action": "click", "action_argument": "suggested_term"}
<|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": ""
}
  ],
  "cart_items": [
    {"title": "Braun Electric Shaver for Men, Series 5 5150cs, Wet & Dry Shave, Turbo Shaving Mode, Foil Shaver, with Beard Trimmer, Body Groomer and Charging Stand, Blue", "asin": "B0CRMR45S2", "price": "$84.94", "quantity": "1"},
    {"title": "Braun Electric Razor for Men, Series 7 360 Flex Head Foil Shaver with Precision Beard Trimmer, Rechargeable, Wet & Dry and Travel Case, Black, 5 Piece Set", "asin": "B07Z8K3MQS", "price": "$129.94", "quantity": "1"},
    {"title": "VIWIK Reusable Chopsticks 5 Pairs Premium Fiberglass Chop sticks \u2013 Lightweight Non-Slip Design Easy to Clean Dishwasher Safe 9 1/2 Inches \u2013 Gift Set", "asin": "B08R8DHTD5", "price": "$12.99", "quantity": "1"},
    {"title": "HOUAGI LED TV Stand for Televisions up to 65 Inchs,Modern Entertainment Center with Storage Drawer and Glass Shelf, TV Console Table for Living Room,Bedroom (Black, 63in)", "asin": "B0BVVWBR7F", "price": "$89.99", "quantity": "1"},
    {"title": "HUANUO 63\u2033 Dual Motor L-Shaped Standing Desk, Built-in Power Outlets, Electric Height Adjustable Corner Computer Desk, Large Power Strip Holder, Sit Stand Up Desk with 3 Preset Heights, Black", "asin": "B0CP9GVVKP", "price": "$249.99", "quantity": "1"}
  ],
  "product_details": [
    {
  "asin": "B0015R6ZPQ"
},
    {
  "title": "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)"
},
    {
  "price": "$47.94"
},
    {
  "bullet_list": "HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving 50 grams of blended protein per 2-scoop serving Over 250 grams of carbohydrates per 2-scoop serving 22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
},
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Flavor Name": "Chocolate"
},
    {
  "Size": "8 Servings (Pack of 1)"
}
  ],
  "promotion_items": [
    {"title": "MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound", "asin": "B08VPF6683", "price": "$35.95", "quantity": ""},
    {"title": "NAKED Double Chocolate Mass - 1,260 Calories, 50G Protein, Nothing Artificial. All Natural Weight Gainer Protein Powder - 8Lb Bulk, GMO Free, Gluten Free & Soy Free", "asin": "B0CLM76BRS", "price": "$69.99", "quantity": ""},
    {"title": "Muscletech Whey Protein Powder (Vanilla Cream, 4 Pound) - Nitro-Tech Muscle Building Formula with Whey Protein Isolate & Peptides - 30g of Protein, 3g of Creatine & 6.6g of BCAA", "asin": "B008IC0Z8Y", "price": "$68.99", "quantity": ""},
    {"title": "Nutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO", "asin": "B0CQPP1M4Y", "price": "$44.95", "quantity": ""},
    {"title": "NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings", "asin": "B07XTQKYG1", "price": "$69.99", "quantity": ""},
    {"title": "Jocko Fuel M\u00f6lk Whey Protein Powder 22g Protein - Low Sugar Monk Fruit Blend - Muscle Recovery & Growth, Packaging May Vary (31 Servings, Vanilla Milkshake)", "asin": "B0CH1T1ZPM", "price": "$44.99", "quantity": ""},
    {"title": "Nutricost Mass Gainer Double Chocolate Flavor, 6.7 LBS, 50 Grams of Protein Per Serving - Non-GMO & Gluten Free", "asin": "B0CQPMW574", "price": "$44.95", "quantity": ""},
    {"title": "Liquid I.V.\u00ae Hydration Multiplier Sugar-Free - White Peach | Electrolyte Powder Drink Mix | 1 Pack (14 Servings)", "asin": "B0BQ4ZFNZV", "price": "$23.26", "quantity": ""},
    {"title": "NAKED Mass - Natural Weight Gainer Protein Powder - 8 LB Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,250 Calories per Serving", "asin": "B00UIAEOO0", "price": "$69.99", "quantity": ""},
    {"title": "Vega Sport Premium Vegan Protein Powder Chocolate(45 Servings) 30g Plant Based Protein,5g BCAAs,Dairy Free,Gluten Free,Non GMO,Pea Protein for Women and Men,4lbs 5.9Oz(Packaging May Vary)", "asin": "B01LXZS18X", "price": "$82.99", "quantity": ""},
    {"title": "Jocko Fuel M\u00f6lk Whey Protein Powder 22g Protein - Low Sugar Monk Fruit Blend - Muscle Recovery & Growth, Packaging May Vary (31 Servings, Vanilla Milkshake)", "asin": "B0CH1T1ZPM", "price": "$44.99", "quantity": ""},
    {"title": "MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound", "asin": "B08VPF6683", "price": "$35.95", "quantity": ""},
    {"title": "NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings", "asin": "B07XTQKYG1", "price": "$69.99", "quantity": ""},
    {"title": "Muscletech Whey Protein Powder (Vanilla Cream, 4 Pound) - Nitro-Tech Muscle Building Formula with Whey Protein Isolate & Peptides - 30g of Protein, 3g of Creatine & 6.6g of BCAA", "asin": "B008IC0Z8Y", "price": "$68.99", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)", "asin": "B0015R6ZPQ", "price": "$47.94"},
    {"title": "GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Strawberry, 13 Servings, 6 Pounds", "asin": "B091XY12FL", "price": "$84.99"},
    {"title": "Nutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO", "asin": "B0CQPP1M4Y", "price": "$44.95"},
    {"title": "Sunshine Biopharma Extreme Mass Gainer Muscle Builder, 5 lb (2.27 kg) Low Sugar high Calories for Intense Workouts (Vanilla)", "asin": "B0CTHX4K68", "price": "$32.65"},
    {"title": "Nutricost Mass Gainer Double Chocolate Flavor, 6.7 LBS, 50 Grams of Protein Per Serving - Non-GMO & Gluten Free", "asin": "B0CQPMW574", "price": "$44.95"},
    {"title": "Rule One Proteins, Mass Gainer-Strawberries & Cr\u00e8me, High-Calorie Weight Gain Formula w/ 1,220+ Calories, 250g+ Complex Carb Blend, 40g All-Whey Protein, 8g Fat Per Serving, 6 Pounds, 8 Servings", "asin": "B0BJMNP8MT", "price": "$29.99"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-05-08T00:20:21.167Z", // 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": "2025-04-08T03:13:12.736Z", "action": "input", "action_argument": "502 "}
{"timestamp": "2025-04-08T03:13:12.820Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-08T03:13:59.261Z", "action": "click_product", "action_argument": "B00C32MHJU"}
{"timestamp": "2025-04-08T03:14:08.165Z", "action": "purchase", "action_argument": "B00C32MHJU"}
{"timestamp": "2025-05-08T00:17:56.552Z", "action": "input", "action_argument": "\u5243\u987b\u5200"}
{"timestamp": "2025-05-08T00:17:56.635Z", "action": "click", "action_argument": "suggested_term"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-05-08T00:20:05.988Z", "action": "input", "action_argument": "pow"}
{"timestamp": "2025-05-08T00:20:06.017Z", "action": "click", "action_argument": "suggested_term"}
<|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": ""
}
  ],
  "cart_items": [
    {"title": "Braun Electric Shaver for Men, Series 5 5150cs, Wet & Dry Shave, Turbo Shaving Mode, Foil Shaver, with Beard Trimmer, Body Groomer and Charging Stand, Blue", "asin": "B0CRMR45S2", "price": "$84.94", "quantity": "1"},
    {"title": "Braun Electric Razor for Men, Series 7 360 Flex Head Foil Shaver with Precision Beard Trimmer, Rechargeable, Wet & Dry and Travel Case, Black, 5 Piece Set", "asin": "B07Z8K3MQS", "price": "$129.94", "quantity": "1"},
    {"title": "VIWIK Reusable Chopsticks 5 Pairs Premium Fiberglass Chop sticks \u2013 Lightweight Non-Slip Design Easy to Clean Dishwasher Safe 9 1/2 Inches \u2013 Gift Set", "asin": "B08R8DHTD5", "price": "$12.99", "quantity": "1"},
    {"title": "HOUAGI LED TV Stand for Televisions up to 65 Inchs,Modern Entertainment Center with Storage Drawer and Glass Shelf, TV Console Table for Living Room,Bedroom (Black, 63in)", "asin": "B0BVVWBR7F", "price": "$89.99", "quantity": "1"},
    {"title": "HUANUO 63\u2033 Dual Motor L-Shaped Standing Desk, Built-in Power Outlets, Electric Height Adjustable Corner Computer Desk, Large Power Strip Holder, Sit Stand Up Desk with 3 Preset Heights, Black", "asin": "B0CP9GVVKP", "price": "$249.99", "quantity": "1"}
  ],
  "product_details": [
    {
  "asin": "B0015R6ZPQ"
},
    {
  "title": "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)"
},
    {
  "price": "$47.94"
},
    {
  "bullet_list": "HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving 50 grams of blended protein per 2-scoop serving Over 250 grams of carbohydrates per 2-scoop serving 22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
},
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Flavor Name": "Chocolate"
},
    {
  "Size": "8 Servings (Pack of 1)"
}
  ],
  "promotion_items": [
    {"title": "MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound", "asin": "B08VPF6683", "price": "$35.95", "quantity": ""},
    {"title": "NAKED Double Chocolate Mass - 1,260 Calories, 50G Protein, Nothing Artificial. All Natural Weight Gainer Protein Powder - 8Lb Bulk, GMO Free, Gluten Free & Soy Free", "asin": "B0CLM76BRS", "price": "$69.99", "quantity": ""},
    {"title": "Muscletech Whey Protein Powder (Vanilla Cream, 4 Pound) - Nitro-Tech Muscle Building Formula with Whey Protein Isolate & Peptides - 30g of Protein, 3g of Creatine & 6.6g of BCAA", "asin": "B008IC0Z8Y", "price": "$68.99", "quantity": ""},
    {"title": "Nutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO", "asin": "B0CQPP1M4Y", "price": "$44.95", "quantity": ""},
    {"title": "NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings", "asin": "B07XTQKYG1", "price": "$69.99", "quantity": ""},
    {"title": "Jocko Fuel M\u00f6lk Whey Protein Powder 22g Protein - Low Sugar Monk Fruit Blend - Muscle Recovery & Growth, Packaging May Vary (31 Servings, Vanilla Milkshake)", "asin": "B0CH1T1ZPM", "price": "$44.99", "quantity": ""},
    {"title": "Nutricost Mass Gainer Double Chocolate Flavor, 6.7 LBS, 50 Grams of Protein Per Serving - Non-GMO & Gluten Free", "asin": "B0CQPMW574", "price": "$44.95", "quantity": ""},
    {"title": "Liquid I.V.\u00ae Hydration Multiplier Sugar-Free - White Peach | Electrolyte Powder Drink Mix | 1 Pack (14 Servings)", "asin": "B0BQ4ZFNZV", "price": "$23.26", "quantity": ""},
    {"title": "NAKED Mass - Natural Weight Gainer Protein Powder - 8 LB Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,250 Calories per Serving", "asin": "B00UIAEOO0", "price": "$69.99", "quantity": ""},
    {"title": "Vega Sport Premium Vegan Protein Powder Chocolate(45 Servings) 30g Plant Based Protein,5g BCAAs,Dairy Free,Gluten Free,Non GMO,Pea Protein for Women and Men,4lbs 5.9Oz(Packaging May Vary)", "asin": "B01LXZS18X", "price": "$82.99", "quantity": ""},
    {"title": "Jocko Fuel M\u00f6lk Whey Protein Powder 22g Protein - Low Sugar Monk Fruit Blend - Muscle Recovery & Growth, Packaging May Vary (31 Servings, Vanilla Milkshake)", "asin": "B0CH1T1ZPM", "price": "$44.99", "quantity": ""},
    {"title": "MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound", "asin": "B08VPF6683", "price": "$35.95", "quantity": ""},
    {"title": "NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings", "asin": "B07XTQKYG1", "price": "$69.99", "quantity": ""},
    {"title": "Muscletech Whey Protein Powder (Vanilla Cream, 4 Pound) - Nitro-Tech Muscle Building Formula with Whey Protein Isolate & Peptides - 30g of Protein, 3g of Creatine & 6.6g of BCAA", "asin": "B008IC0Z8Y", "price": "$68.99", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)", "asin": "B0015R6ZPQ", "price": "$47.94"},
    {"title": "GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Strawberry, 13 Servings, 6 Pounds", "asin": "B091XY12FL", "price": "$84.99"},
    {"title": "Nutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO", "asin": "B0CQPP1M4Y", "price": "$44.95"},
    {"title": "Sunshine Biopharma Extreme Mass Gainer Muscle Builder, 5 lb (2.27 kg) Low Sugar high Calories for Intense Workouts (Vanilla)", "asin": "B0CTHX4K68", "price": "$32.65"},
    {"title": "Nutricost Mass Gainer Double Chocolate Flavor, 6.7 LBS, 50 Grams of Protein Per Serving - Non-GMO & Gluten Free", "asin": "B0CQPMW574", "price": "$44.95"},
    {"title": "Rule One Proteins, Mass Gainer-Strawberries & Cr\u00e8me, High-Calorie Weight Gain Formula w/ 1,220+ Calories, 250g+ Complex Carb Blend, 40g All-Whey Protein, 8g Fat Per Serving, 6 Pounds, 8 Servings", "asin": "B0BJMNP8MT", "price": "$29.99"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-05-08T00:20:21.167Z", // 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": "2025-04-08T03:13:12.736Z", "action": "input", "action_argument": "502 "}
{"timestamp": "2025-04-08T03:13:12.820Z", "action": "click", "action_argument": "suggested_term"}
{"timestamp": "2025-04-08T03:13:59.261Z", "action": "click_product", "action_argument": "B00C32MHJU"}
{"timestamp": "2025-04-08T03:14:08.165Z", "action": "purchase", "action_argument": "B00C32MHJU"}
{"timestamp": "2025-05-08T00:17:56.552Z", "action": "input", "action_argument": "\u5243\u987b\u5200"}
{"timestamp": "2025-05-08T00:17:56.635Z", "action": "click", "action_argument": "suggested_term"}
<|memory_end|>

<|action_start|>
{"timestamp": "2025-05-08T00:20:05.988Z", "action": "input", "action_argument": "pow"}
{"timestamp": "2025-05-08T00:20:06.017Z", "action": "click", "action_argument": "suggested_term"}
<|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": ""
}
  ],
  "cart_items": [
    {"title": "Braun Electric Shaver for Men, Series 5 5150cs, Wet & Dry Shave, Turbo Shaving Mode, Foil Shaver, with Beard Trimmer, Body Groomer and Charging Stand, Blue", "asin": "B0CRMR45S2", "price": "$84.94", "quantity": "1"},
    {"title": "Braun Electric Razor for Men, Series 7 360 Flex Head Foil Shaver with Precision Beard Trimmer, Rechargeable, Wet & Dry and Travel Case, Black, 5 Piece Set", "asin": "B07Z8K3MQS", "price": "$129.94", "quantity": "1"},
    {"title": "VIWIK Reusable Chopsticks 5 Pairs Premium Fiberglass Chop sticks \u2013 Lightweight Non-Slip Design Easy to Clean Dishwasher Safe 9 1/2 Inches \u2013 Gift Set", "asin": "B08R8DHTD5", "price": "$12.99", "quantity": "1"},
    {"title": "HOUAGI LED TV Stand for Televisions up to 65 Inchs,Modern Entertainment Center with Storage Drawer and Glass Shelf, TV Console Table for Living Room,Bedroom (Black, 63in)", "asin": "B0BVVWBR7F", "price": "$89.99", "quantity": "1"},
    {"title": "HUANUO 63\u2033 Dual Motor L-Shaped Standing Desk, Built-in Power Outlets, Electric Height Adjustable Corner Computer Desk, Large Power Strip Holder, Sit Stand Up Desk with 3 Preset Heights, Black", "asin": "B0CP9GVVKP", "price": "$249.99", "quantity": "1"}
  ],
  "product_details": [
    {
  "asin": "B0015R6ZPQ"
},
    {
  "title": "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)"
},
    {
  "price": "$47.94"
},
    {
  "bullet_list": "HIGH CALORIE WEIGHT GAINER: More than 1,200 calories per 2-scoop serving 50 grams of blended protein per 2-scoop serving Over 250 grams of carbohydrates per 2-scoop serving 22 vitamins and minerals including Vitamin C, Vitamin D, and Zinc to provide immune support With over 20 vitamins and minerals including Vitamin C and Zinc to provide immune support MORE VERSATILITY: Using an electric blender, add fresh or frozen fruits, peanut butter, nuts, and other calorie dense foods to boost your weight gain potential"
}
  ],
  "product_quantity": [
    {
  "quantity": "1"
},
    {
  "quantity": "1"
}
  ],
  "product_options": [
    {
  "Flavor Name": "Chocolate"
},
    {
  "Size": "8 Servings (Pack of 1)"
}
  ],
  "promotion_items": [
    {"title": "MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound", "asin": "B08VPF6683", "price": "$35.95", "quantity": ""},
    {"title": "NAKED Double Chocolate Mass - 1,260 Calories, 50G Protein, Nothing Artificial. All Natural Weight Gainer Protein Powder - 8Lb Bulk, GMO Free, Gluten Free & Soy Free", "asin": "B0CLM76BRS", "price": "$69.99", "quantity": ""},
    {"title": "Muscletech Whey Protein Powder (Vanilla Cream, 4 Pound) - Nitro-Tech Muscle Building Formula with Whey Protein Isolate & Peptides - 30g of Protein, 3g of Creatine & 6.6g of BCAA", "asin": "B008IC0Z8Y", "price": "$68.99", "quantity": ""},
    {"title": "Nutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO", "asin": "B0CQPP1M4Y", "price": "$44.95", "quantity": ""},
    {"title": "NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings", "asin": "B07XTQKYG1", "price": "$69.99", "quantity": ""},
    {"title": "Jocko Fuel M\u00f6lk Whey Protein Powder 22g Protein - Low Sugar Monk Fruit Blend - Muscle Recovery & Growth, Packaging May Vary (31 Servings, Vanilla Milkshake)", "asin": "B0CH1T1ZPM", "price": "$44.99", "quantity": ""},
    {"title": "Nutricost Mass Gainer Double Chocolate Flavor, 6.7 LBS, 50 Grams of Protein Per Serving - Non-GMO & Gluten Free", "asin": "B0CQPMW574", "price": "$44.95", "quantity": ""},
    {"title": "Liquid I.V.\u00ae Hydration Multiplier Sugar-Free - White Peach | Electrolyte Powder Drink Mix | 1 Pack (14 Servings)", "asin": "B0BQ4ZFNZV", "price": "$23.26", "quantity": ""},
    {"title": "NAKED Mass - Natural Weight Gainer Protein Powder - 8 LB Bulk, GMO Free, Gluten Free & Soy Free. No Artificial Ingredients - 1,250 Calories per Serving", "asin": "B00UIAEOO0", "price": "$69.99", "quantity": ""},
    {"title": "Vega Sport Premium Vegan Protein Powder Chocolate(45 Servings) 30g Plant Based Protein,5g BCAAs,Dairy Free,Gluten Free,Non GMO,Pea Protein for Women and Men,4lbs 5.9Oz(Packaging May Vary)", "asin": "B01LXZS18X", "price": "$82.99", "quantity": ""},
    {"title": "Jocko Fuel M\u00f6lk Whey Protein Powder 22g Protein - Low Sugar Monk Fruit Blend - Muscle Recovery & Growth, Packaging May Vary (31 Servings, Vanilla Milkshake)", "asin": "B0CH1T1ZPM", "price": "$44.99", "quantity": ""},
    {"title": "MuscleTech High Protein Mass Gainer for Men & Women - Protein Powder Shakes for Weight Gain, Muscle Building & Recovery with Creatine Monohydrate - Vanilla Milkshake, 5.15 Pound", "asin": "B08VPF6683", "price": "$35.95", "quantity": ""},
    {"title": "NAKED Vegan Mass - Natural Vegan Weight Gainer Protein Powder - 1,230 Calories, Non-GMO, Soy & Gluten Free, No Artificial Ingredients - 8LB Bulk - 11 Servings", "asin": "B07XTQKYG1", "price": "$69.99", "quantity": ""},
    {"title": "Muscletech Whey Protein Powder (Vanilla Cream, 4 Pound) - Nitro-Tech Muscle Building Formula with Whey Protein Isolate & Peptides - 30g of Protein, 3g of Creatine & 6.6g of BCAA", "asin": "B008IC0Z8Y", "price": "$68.99", "quantity": ""}
  ],
  "comparison_items": [
    {"title": "Optimum Nutrition Serious Mass, Weight Gainer Protein Powder, Mass Gainer, Vitamin C and Zinc for Immune Support, Creatine, Vanilla, 6 Pound (Packaging May Vary)", "asin": "B0015R6ZPQ", "price": "$47.94"},
    {"title": "GNC AMP Mass XXX, Clinically Proven Weight Gainer Protein Powder, Improves Strength and Size, 780 Calories, 50g Protein, Micronized Amino Acids, Creatine, Betaine, Strawberry, 13 Servings, 6 Pounds", "asin": "B091XY12FL", "price": "$84.99"},
    {"title": "Nutricost Mass Gainer Cookies N Cream Flavor, 6.9 LBS, 50 Grams of Protein Per Serving - Non-GMO", "asin": "B0CQPP1M4Y", "price": "$44.95"},
    {"title": "Sunshine Biopharma Extreme Mass Gainer Muscle Builder, 5 lb (2.27 kg) Low Sugar high Calories for Intense Workouts (Vanilla)", "asin": "B0CTHX4K68", "price": "$32.65"},
    {"title": "Nutricost Mass Gainer Double Chocolate Flavor, 6.7 LBS, 50 Grams of Protein Per Serving - Non-GMO & Gluten Free", "asin": "B0CQPMW574", "price": "$44.95"},
    {"title": "Rule One Proteins, Mass Gainer-Strawberries & Cr\u00e8me, High-Calorie Weight Gain Formula w/ 1,220+ Calories, 250g+ Complex Carb Blend, 40g All-Whey Protein, 8g Fat Per Serving, 6 Pounds, 8 Servings", "asin": "B0BJMNP8MT", "price": "$29.99"}
  ]
}
<|observation_end|>

# Output Format
Please provide your response in JSON format within <answer></answer> tags using the following schema:
"<answer>
{
"timestamp": "2025-05-08T00:20:21.167Z", // 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>
