dialogue: M: Are you tired of driving? W: No, I'm doing fine. M: What did I do with my briefcase? W: Isn't it on the back seat? M: No, I don't see it. All my important papers are in it. W: You may have left it at the hotel. Should we turn around and go hack? M: Well, I guess we ought to go back, if you don't mind. W: I'll turn off at the next road.
question: What are there in the briefcase?
choice: Some jewellery. Important papers. Money.
answer: Important papers.