Task: Dialogue Generation
Input (English): M: Excuse me, have you got any books on engineering? I have looked for them everywhere. But I can't find any. ,F: I'm not sure if we've got any now. Books that kind are on the shelf. Well, I'm afraid we've sold out.
(A) M: OK. I will come to borrow those books next time. (B) M: Excuse me, could you repeat the question? (C) M: OK. I will come to buy medical books next time. (D) M: OK. I will come to buy those books next time.
Output (English): D