Task: Dialogue Generation
Input (English): F: Why you're all wet? ,M: I didn't bring my umbrella with me. The weather forecast said it will be sunny. ,F: But you could see the big black clouds this morning.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: I noticed. I thought it would be rainy today's evening, but it rains now. (C) M: I noticed. But it's sunny now. (D) M: I noticed, and it's still cloudy now.
Output (English): B