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: Consider Input: F: Hi, Bob, do you know anything about boxing? ,M: Yes, it's a sport that does good to bodybuilding. ,F: Oh, I just think it is about fighting.
(A) M: Excuse me, could you repeat the question? (B) M: Although boxing isn't good for bodybuilding, how could you think it is about fighting? (C) M: Haha, a lot of people think boxing is fighting like you do. (D) M: Yes, as you said, boxing is a skill, but it's not good for bodybuilding at all.

Output: C


Input: Consider Input: F: I think I want to go back to school, Paul. ,M: Well, that's a nice idea, Cindy. But what would you study? ,F: I'm not sure. I've always been interested in psychology. I think I'd do really well.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: I also think it would help you writing. Go ahead! I support you my bro! (C) M: Are you sure, my daughter? Can you really get good grades? (D) M: Oh honey! Sure you can get good grades, I trust you so much!

Output: D


Input: Consider Input: F: Hello. Holiday Inn. May help you? ,M: Yes, I'd like to book a room for 2 on the seventh of June. ,F: OK. Let me check. Well, would you like a smoking or non-smoking room? ,M: Well, how much is the non-smoking room? ,F: $80, plus the 10% room tax. ,M: OK, that'll be fine.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: OK. Here is your room key. Your double-bed room is on the 7th floor. (C) F: Sure. You want a smoking room with double-bed, don't you? (D) F: Sure. Here is your room key. You want a double-bed room.


Output: D