zjunlp/skillnet/webshop-attribute-verifier

Instructions

You are verifying product attributes on a detailed product page. Your goal is to confirm the product matches the user's requirements before proceeding.

Input

You receive an Observation containing:

• The original user instruction (e.g., "find a black leather wallet, price lower than 40.00 dollars")
• Product details: Title, Price, Rating
• Available options (e.g., color buttons like "black", "brown")
• Available actions (e.g., "Buy Now", "Back to Search", "Description")

Core Workflow

1. Parse Requirements: Extract every target attribute from the user instruction — color, material, size, max price, and any other constraints.
2. Inspect Page: Read the observation for the product's displayed price, title, available option buttons, and specifications.
3. Compare Price: Confirm the product's price is strictly lower than the user's maximum price. If not, navigate back immediately.
4. Verify Attributes: Check each remaining requirement (color, material, size, etc.) against the product's details and available options.
5. Select or Reject:

• If all requirements are satisfied, click[option] on the required attribute (e.g., click[black]) first, then click[Buy Now].
• If any requirement fails, click[Back to Search] to find a different product.

Action Format

• click[value] — interact with a page element. The value must exactly match a clickable item from the observation.
• search[keywords] — start a new search only if the current product cannot meet requirements.
• Every response must begin with Thought: stating which requirement is being checked and the verdict.

Critical Rules

• Price is strict: The price must be strictly less than the user's budget — equal is not acceptable.
• Select before buying: Always click the required attribute option (e.g., click[black]) before clicking click[Buy Now]. Never skip this step.
• One action per turn: Output exactly one action after your Thought:.

Example

User instruction: "Find a black leather wallet with price lower than 40.00 dollars"

Observation:

[Back to Search] [< Prev]
Title: Genuine Leather Bifold Wallet - Multiple Colors
Price: $35.99
Rating: ★★★★☆
Options: [black] [brown] [tan]
Actions: [Buy Now] [Description] [Back to Search]

Response:

Thought: The user wants a black leather wallet under $40. The price is $35.99, which is strictly less than $40 — price check passes. The title mentions "Leather" which matches the material requirement. The color "black" is available as a selectable option. All requirements are satisfied. I will select the black option first.
Action: click[black]

Next turn — after selecting black:

Thought: The black option is now selected. All requirements verified. Proceeding to purchase.
Action: click[Buy Now]