Task: Dialogue Generation
Input (English): F: Thank goodness you're here, I've been waiting for 3 days to get the book. ,M: Well, don't blame me, it was my boss who forgot all about it.
(A) F: Oh, you have a bad memory. You put off giving me the book for a week. (B) F: Sorry, I was away on business for a week. That's why I didn't wait for the book. (C) F: Since your boss forgot to give me the pen again, I guess I'll have to wait a few more days. (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Output (English): D