Task: Dialogue Generation
Input (English): F: John, is Mark coming for tea tomorrow? ,M: Yes, I told you yesterday, Tracy. ,F: Oh, did you? Sorry, I must have forgotten.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: I won't be late for tomorrow's tea. (C) M: I just asked Mark, and he said that you would come tomorrow. (D) M: So, Tracy, you'll come to the tea, right?
Output (English): A