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.

Example Input: M: Shirly, I'm working on our class diary for next week. Would you please give me the information? ,F: Sure. First is the deadline for after class activity application. The deadline is next Monday, June fourteenth.
(A) M: OK. The deadline of personal data is on June 14th, right? (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: I see. The deadline of photos for the club is on June 14th. (D) M: I see. The after-class activity application is due next Friday.
Example Output: B

Example Input: F: How about going for a bike ride? ,M: Sure. Where? ,F: Let's call Harry. He can tell us the best place to go.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: Yes. We should ask Harry if he knows the best place to ride. (C) M: Yes. We should borrow a bike from Harry. (D) M: Yes. We should ask Harry if he knows the best place to hold a party.
Example Output: B

Example Input: M: What did you think of Dana's speech today? ,F: Well, she must have spent a lot of time preparing it. I can't believe I could sit for that long without feeling bored.
(A) M: You're right. Her speech is important but boring. (B) M: I agree with you. Her speech is very boring. (C) M: I'm sure that she spent little time on her speech. She seems to be not well-prepared. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.
Example Output:
D