Task: Dialogue Generation
Input (English): F: I'm going to the bookstore for some pencils. Want anything? ,M: See if you can pick up some envelopes for me.
(A) F: OK. I will get some books for you. (B) F: Oh, you need some pencils? I will get some for you. (C) F: Excuse me, could you repeat the question? (D) F: Why do you want some envelops?
Output (English): D