See GPT4's reply to pclmulqdq at https://news.ycombinator.com/item?id=35648144 .
That's not a response from someone who wrote the answers on the inside of their elbow before coming to class. That's genuine inductive reasoning at a level you wouldn't get from quite a few real, live human students. GPT4 is using its general knowledge to speculate on the answer to a specific question that has possibly never been asked before, certainly not in those particular words.