Task: Dialogue Generation
Input (English): F: How is your girlfriend? I am too occupied in a deadline driven assignment these days to contact her. ,M: Much better. She is off the walking stick now.
(A) F: Oh, she broke her leg. And now she is still walking in a stick. (B) F: Oh, she broke her leg. That's too bad. (C) F: She has broke up withe you? How was the things happened? (D) F: I’m sorry, I don’t understand. Could you say it again?
Output (English): B