Task: Dialogue Generation
Input (English): F: Hi, I'd like to check out these books. ,M: No problem, madam. But Unfortunately, you won't be able to borrow all of this today. We have a 10-book limit.
(A) F: OK. I will buy all these books. (B) F: Be quiet. The class is about to begin. (C) F: Fine. I will bring my book card and come back tomorrow. (D) F: I’m sorry, I don’t understand. Could you say it again?
Output (English): D