Task: Dialogue Generation
Input (English): F: I saw a beautiful fish in the market the other day, it was orange and blue. I'm thinking of buying some next Sunday. ,M: Where would you keep them? ,F: In that round bottle over there. ,M: It's a bit small, isn't it? ,F: So are the fish. ,M: I think you should get a tank if you want to keep fish. ,F: Really? ,M: Yes, you should never keep fish in a small round bottle. They don't get enough air. I suggest we go shopping together and look for a nice tank.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Yeah, I agree with you. But now we are at home, we can't immediately buy a new tank. (C) F: I agree with you. The fish  can get enough air in a small round bottle. I think we can put a small battle in this office. (D) F: Yeah. Since we are at home and the fish are so big, we can buy some small ones on the Internet.
Output (English): B