Round #680

10 May 2026, 08:45· hr-law· qwen2.5-coder-7b-instruct· r13-clean-hints
Complexity
band 0
ZP / UO / OBS
0 / 0 / 0
Journey weight
0
Lightshift ΔL

Prompt

I bought a sofa that's a different colour than what I saw on the website. What are my rights?

Zero-point index (what the engine surfaced)

ZPI-ZPI-0004 | 2026-05-10T08:45:05Z I bought a sofa that's a different colour than what I saw on the website. What are my rights? ZERO POINT — 0 entries (structural invariants) UNOBSERVED — 0 entries (implied truths) OBSERVED — 0 entries (explicit in request) COMPLEXITY │ 0 entries │ spread: 0° │ band: LOW

Baseline response (no ZPI)

When you purchase furniture online, it's important to ensure that the product matches the images shown on the website. If you find that the sofa you purchased is a different color than what was advertised, you have several options depending on your jurisdiction and the terms of your purchase agreement. Here are some general steps you can take: 1. **Check Your Purchase Agreement**: Review the terms and conditions of your purchase agreement. Many online retailers include clauses regarding product descriptions and images. If the website's description or image is misleading, this could be grounds for a refund or exchange. 2. **Contact the Seller/Online Platform**: Reach out to the seller directly via email or through the platform you purchased from. Explain the discrepancy between the advertised color and the actual sofa you received. Most sellers are willing to resolve such issues promptly. 3. **Check for Returns Policy**: Check the return policy of the online platform or the seller. If returns are allowed, you can request a refund or exchange within the specified timeframe. 4. **Consult Local Consumer Protection Laws**: Depending on where you live, there may be consumer protection laws that offer additional rights to consumers. For example, in the United States, the Federal Trade Commission (FTC) enforces rules regarding unfair and deceptive practices by sellers. 5. **Photograph the Discrepancy**: Take high-quality photos of both the advertised image and the actual sofa you received. This can be helpful when communicating with the seller or platform to demonstrate the discrepancy. 6. **Seek Legal Advice**: If the issue is not resolved through direct communication, consider seeking legal advice from a consumer protection lawyer who can provide guidance based on your specific circumstances. 7. **Use Online Dispute Resolution Services**: Many online platforms offer dispute resolution services that can help mediate conflicts between buyers and sellers. Remember, it's important to act quickly when dealing with such issues, as many retailers have limited time frames for returns or exchanges.

Enhanced response (with ZPI)

When you purchase a product and find it to be different from what was advertised, you generally have certain consumer protection rights depending on where you live. These rights can vary significantly between countries, but here are some common scenarios in the United States: 1. **Right to Receive the Correct Product**: You have the right to receive the product that matches the description or image provided by the seller. 2. **Right to a Refund or Exchange**: If the product is different from what was advertised, you may be entitled to a refund or an exchange of the correct product. 3. **Right to Repair or Replacement**: In some cases, if the product is defective or does not meet the expected quality, you might have the right to repair or replace it. 4. **Right to Know and Understand**: You have the right to know what you are buying and understand the terms of your purchase. ### Steps to Address the Issue 1. **Contact the Seller**: Reach out to the seller immediately via email, phone, or live chat. Explain the discrepancy between the product received and the one advertised. 2. **Provide Evidence**: If possible, take photos or videos of the product you received and compare them with the advertised image. This can help in proving your case. 3. **Follow Up**: Keep track of all communications with the seller. Document any emails, messages, or phone calls. 4. **Seek Help from Consumer Protection Agencies**: If the seller does not resolve the issue satisfactorily, you may want to contact a consumer protection agency in your state. They can provide guidance and help mediate disputes. 5. **Consider Legal Action**: In extreme cases where the seller is unresponsive or refuses to honor their obligations, you might consider seeking legal advice. ### Example Code (C#) Here's an example of how you might implement a simple system to handle such issues in a C# application: ```csharp using System; using System.Collections.Generic; public class Product { public string Name { get; set; } public string Description { get; set; } public string ImageUrl { get; set; } } public interface IProductService { Product GetProductById(int id); void UpdateProduct(Product product); } public class ProductService : IProductService { private readonly Dictionary<int, Product> _products = new Dictionary<int, Product> { { 1, new Product { Name = "Sofa", Description = "Leather sofa in brown color", ImageUrl = "http://example.com/brown_sofa.jpg" } }, // Add more products as needed }; public Product GetProductById(int id) { if (_products.ContainsKey(id)) { return _products[id]; } throw new ArgumentException("Product not found"); } public void UpdateProduct(Product product) { if (_products.ContainsKey(product.Id)) { _products[product.Id] = product; } else { throw new ArgumentException("Product not found"); } } } public class Program { private static readonly IProductService _productService = new ProductService(); public static void Main() { try { int productId = 1; // Example product ID Product receivedProduct = _productService.GetProductById(productId); if (receivedProduct.Description != "Leather sofa in brown color") { Console.WriteLine("The product is different from what was advertised."); // Handle the issue, e.g., request a refund or exchange } } catch (ArgumentException ex) { Console.WriteLine(ex.Message); } } } ``` ### Explanation 1. **Product Class**: Represents a product with properties like `Name`, `Description`, and `ImageUrl`. 2. **IProductService Interface**: Defines methods for getting and updating products. 3. **ProductService Class**: Implements the `IProductService` interface and provides in-memory storage for products. 4. **Program Class**: Demonstrates how to use the `ProductService` to retrieve a product and handle discrepancies. This example is simplified and does not include error handling, logging, or real-world persistence mechanisms. In a production environment, you would need to implement these features and consider using a database for product storage.

Grader chain

Each grader reads the same baseline + enhanced pair and casts an independent verdict. Disagreement is the framework's own signal — not noise to be averaged away.

V1samba/Meta-Llama-3.3-70B-Instruct
Better
V4qwen2.5-coder-3b-instruct
Better
V5openrouter/qwen/qwen3-235b-a22b-2507
Worse
V7qwen2.5-coder-7b-instruct
Better
V8openai/gpt-4.1
Better
V9anthropic/claude-opus-4-7
Worse
V12openai/gpt-4o
Better

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