Task: Dialogue Generation
Input (English): F: How long have you been living in this city, Jack? ,M: Let me see. I came to this city when I was 23 years old. So 5 years now.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Yeah, so you are 27 now. You came to this city 3 years ago. (C) F: Yeah, so you are 22 now. You came to this city 3 years ago. (D) F: Yeah, so you are 28 now. You came to this city 3 years ago.
Output (English): A