I agree. I usually don’t respond with generated text. But in this instance I wanted to try to see if GPT-4 could sniff out the book that was being searched for. As of the dangers in GPT responses, it is easy to be mislead. I vetted the response (existence of author, books), but not in depth of what was actually asked for. And for that reason I failed to catch the error that you pointed out. But thank you for doing so, will definitely be more critical to GPT responses in the future. And also not post generated content that is clearly wrong.

So in effect, several possible responses were sent from the past, but the irrelevant ones were deleted, leaving only the right answer. Hmmm.

You have great search engine skills! Out of curiosity, what was the exact input you used, and on which search engine? I tried "adventure book girl named gedanken and grandfather on einstein theory" on Google and didn't get the right answer.