Task: Dialogue Generation
Input (English): F: I would have come back a week earlier, but the weather was so bad that we couldn't travel. ,M: That's a real pity. The Carnaval lasted a fortnight and only finished yesterday.
(A) F: Yes. It was a very difficult travel so I chose to come back a week earlier. Thanks for your understanding. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: It's OK. The Carnival only lasted a week. I was too late to get there. (D) F: It's OK. I should come back a week later. But we will meet each other the next time.
Output (English): B