Task: Dialogue Generation
Input (English): M: Come in, come in! ,F: Hi, Gary. What happened? I was waiting for you at the theater. Why didn't you meet me there? ,M: I thought we were supposed to meet here.
(A) F: I was just waiting for you at the airport. Why are you still here? (B) F: I was at the apartment just now. We can go to the theatre now. (C) F: I was at the theatre. We were supposed to meet here. (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Output (English): D