Task: Dialogue Generation
Input (English): F: Was the driving pleasant when you had a tour in Mexico last month? ,M: No, it had been raining for 4 days. When we arrived there, the roads were very muddy.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: What a pity. But the roads were very clean when you traveled in Mexico last month. (C) F: That's too bad. I thought you had fun in Mexico last month. (D) F: So a bad trip in Mexico last week. It had been raining for 2 days.
Output (English): C