Task: Dialogue Generation
Input (English): F: Hello Jack, this is Judy. ,M: Hello, Judy. I'm sorry to tell you that I will arrive at the airport half an hour later. ,F: Oh, it doesn't matter. The flight is delayed. Our plane will take off at 8:30.
(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: 8:30 would be nice. Then we have plenty of time before it takes off. (C) M: The plane will leave at 8:30. That's earlier than the original time. (D) M: OK, I know. The plane takes off at 9:00.
Output (English): B