Task: Dialogue Generation
Input (English): F: What a nice day. Let's go shopping. ,M: Why would I want to be inside a store on a day like this? I'm going to breathe some fresh air and enjoy myself on a boat.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: So, you mean you  will sail in a boat but you are not going to breathe some fresh air? (C) F: OK, I see. You are going to enjoy yourself in a store but you will swim in the ocean. (D) F: Okay. You mean it's a bad day and you will go shopping with me.
Output (English): A