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: 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.
Example Output: C

Example Input: F: Hi Tony, it's Alice, my cars broken down. ,M: Oh no, where are you? Have you had your car taken to a garage? ,F: I'm waiting for a repairman to come out and fix it. Can you believe it? I'm at some traffic lights and I'm causing a traffic jam. ,M: Don't worry. I'll come and get you. I need to go to the bank anyway.
(A) F: Please pick me up soon after you go to the bank. (B) F: Can you help me get my car back? It's now stuck in the road. (C) F: I'm waiting for you to pick me up at the bank. (D) F: I am really sorry, I did not catch that. Would you slow down, please?
Example Output: A

Example Input: F: Hi, Steve. How was the concert? ,M: Pretty good. The crowd seemed to enjoy it. ,F: And how did Andrew do? Was he nervous? This was his first concert. ,M: He seemed very calm. ,F: Did he make any mistakes? ,M: Well, sure. ,F: Oh, no. Did everyone notice? ,M: I don't think so. They were little mistakes. Someone would need to know the song very well to notice. I heard the mistakes but I don't think anyone else did. He seemed so calm that no one thought anything was wrong. ,F: I'm so glad to hear that. He's been working hard for many years to get this good on the piano. His next concert will be better.
(A) M: Why are you sad? Andrew did pretty great in his first concert. (B) M: Yes. I am also glad that Andrew was so calm in his first concert. (C) M: Why are you so glad? This wasn't Andrew's first concert. (D) M: Excuse me, could you repeat the question?
Example Output:
B