Task: Dialogue Generation
Input (English): F: Excuse me? ,M: Yes. ,F: Is there a lady's room around here? ,M: There is, but unlucky for you. It has a big out of use sign on it.
(A) F: I’m sorry, I don’t understand. Could you say it again? (B) F: I can't understand why I have to sign up for using the lady's room when there isn't one. (C) F: You mean there is no lady's room so I can't use it immediately. (D) F: I'm really sad that I'm not able to use the lady's room right now.
Output (English): D