Is the LLM response wrong, or have you just failed to iterate it?

In this example is the initial incorrect answers were not hallucinations: they correctly summarized online content that contained misinformation. The trick then is to encourage the model to look further, using “sorting prompts” like these:

Facts and misconceptions and hype about what I posted
What is the evidence for and against the claim I posted
Look at the most recent information on this issue, summarize how it shifts the analysis (if at all), and provide link to the latest info
— Read on simonwillison.net/2025/Sep/7/is-the-llm-response-wrong-or-have-you-just-failed-to-iterate-it/