Round #822

10 May 2026, 18:02· hr-law· Meta-Llama-3.3-70B-Instruct· r14-length-bound
Complexity
band 0
ZP / UO / OBS
0 / 0 / 0
Journey weight
0
Lightshift ΔL

Prompt

I changed my mind about an online purchase. How long do I have to return it?

Zero-point index (what the engine surfaced)

ZPI-ZPI-0014 | 2026-05-10T18:02:44Z I changed my mind about an online purchase. How long do I have to return it? 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)

The time frame to return an online purchase varies depending on the retailer's return policy. In the United States, there is no federal law that requires retailers to accept returns, so each retailer sets its own return policy. Typically, most online retailers offer a return window of 15 to 30 days from the date of delivery. However, some retailers may have longer or shorter return windows, and some may have specific requirements or restrictions for returns. To determine the return window for your specific purchase, you should: 1. Check your email confirmation: Look for the order confirmation email sent by the retailer, which may include information about the return policy. 2. Visit the retailer's website: Check the retailer's website for their return policy, usually found in the "Help" or "Customer Service" section. 3. Contact customer service: Reach out to the retailer's customer service department via phone, email, or live chat to ask about their return policy and any specific requirements. Some common return policies include: * 15-day return window: Many retailers offer a 15-day return window, which means you can return the item within 15 days of delivery. * 30-day return window: Some retailers offer a 30-day return window, which gives you more time to decide if you want to keep the item. * Restocking fees: Some retailers may charge a restocking fee, which is a percentage of the purchase price, for returned items. * Return shipping costs: You may be responsible for paying return shipping costs, unless the retailer offers free return shipping. It's essential to review the retailer's return policy before making a purchase, so you understand the terms and conditions. If you're unsure about the return policy or have questions, don't hesitate to contact the retailer's customer service department.

Enhanced response (with ZPI)

In the UK, you typically have 14 days to return an online purchase under the Consumer Contracts Regulations, but this may vary depending on the retailer's return policy.

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
Better
V7qwen2.5-coder-7b-instruct
Worse
V8openai/gpt-4.1
Worse
V9anthropic/claude-opus-4-7
Same
V12openai/gpt-4o
Worse

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