"I'm sorry, you are correct in pointing out that I returned couches containing toxic fire retardants. Here is the correct list:"
[... same list ...]
[... same list ...]
The AI doesn’t need to be perfect - even if it makes an occasional error such as showing you a couch with flame retardants, you can spot that in the listing yourself. Most other qualities of a couch are very visible and you’ll be able to tell visually how good of a job the AI is doing.