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: Professor Wilson, can I ask you something? ,M: Sure. ,F: What I'd like to do for my survey project is to interview 3 people. Would that be OK? Because in class you said a survey is usually done with a large number of people.
(A) M: It's fine. You should tell me more about your idea and I'll give you some advice in our next class. (B) M: I think it's OK. I have done researches by interviewing only 3 people. You should ask your professor about that. (C) M: It's OK. I think our professor will agree with you. (D) M: I didn’t hear you. Please could you tell me again?

A