Definition: In this task you are given a small conversation between two persons and 4 options on how the conversation should continue. Your job is to choose the most reasonable option. The conversation and the options are separated by a newline character. Each dialogue in the conversation are separated by a comma. F and M indicate female and male, respectively.
Input: F: Excuse me, sir? ,M: Yes. ,F: I'm sorry to bother you, but this bus is non-smoking. Could you please put out your cigarette? The signs on the windows show quite clearly. The other passengers are complaining. ,M: Can't I just open a window? ,F: I'm sorry, sir. If you want to smoke you must get off now.
(A) M: No, I won't get off the train, there is no sign on the windows. (B) M: Why I must get off the bus? The bus is not non-smoking. (C) M: Since we are on the same bus, I will put it out. (D) M: I didn’t hear you. Please could you tell me again?

C