Task: Dialogue Generation
Input (English): F: It's raining cats and dogs outside. I think we have to put off our picnic. ,M: Yes, I think so. What a pity.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: There are so many cats and dogs outside. We should go to the picnic with them. (C) F: Let's go for a hike next time. It is raining so heavily. (D) F: Yeah, we really don't have time for that although the weather is perfect.
Output (English): A