Task: Dialogue Generation
Input (English): F: Have you heard there's a car accident just in the opposite of the street? ,M: No. I have just returned from London. ,F: 2 people lost their lives at once. ,M: The road condition needs improving for long. ,F: It was late and there were few cars. ,M: That may make a driver careless than during rush hour. ,F: Right. And it said that the driver drank too much.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: How could the driver took alcohol before driving? He should be blame for the accident. (C) M: I see. So the car was overloaded, and three of the passengers lost their lives in the accident. (D) M: Poor driver. The accident was not his fault,  just that there were too many cars on the street.
Output (English): B