Task: Dialogue Generation
Input (English): F: I wonder if Simon will be here by 8:00, he supposed to be. ,M: His wife said he left at 7:30, so he should be here by 8:10 at the latest.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: Why did he leave at 8:00? (C) F: OK, so he should be arrived at 7:30. (D) F: Got it, he will probably arrive late since he left at 8:10.
Output (English): A