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: Was John nervous while facing the interviewers? ,M: I have never seen such a confident person. He even made some jokes.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: He is confident that he can do well in the exam. (C) F: Tom is outgoing. He always makes lots of new friends. (D) F: He is very confident in daily life I hope he can pass the interview.
Example Output: D

Example Input: M: I just want tickets to go see a live video taping of doctor Phil and Los Angelus. Do you want to go with me? ,F: Who is doctor Phil? ,M: You don't know who doctor Phil is? I watch him on TV every day. He's the host of a popular television show. He helps people get through life's most difficult situations. It's a great show, you should watch it. ,F: When are you going down to Los Angeles? ,M: I'm leaving on May twenty-first and returning on the twenty-third. ,F: I have never been to Los Angeles, can we go to Hollywood? ,M: Sure, maybe we'll even see some big movie stars. Your husband will be so jealous. ,F: I really want to go. I'll see if I can get those days off work and then I'll let you know.
(A) M: I didn’t hear you. Please could you tell me again? (B) M: OK, I see. You will call your boss to see if you can get those days off work. (C) M: Really? You will call your boss next to see if you can get back to work? (D) M: Really? As you have never been to New York, you will call your husband?
Example Output: B

Example Input: F: So what made you decide to become a cameraman? ,M: Well, I didn't watch TV much, so it wasn't that. I had an uncle Who was a film actor, but I hardly saw him. One day I wandered into a library and picked up the biography of a famous cameraman. I loved it and knew then what I wanted to do. ,F: And you've won several prizes for your work? ,M: Just one actually. It wasn't like winning a prize for a popular movie or for a special TV advertisement. It was a video for a school program about the development of the cinema.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: That means a lot to you I am sure. It's not easy for shooting an educational video. I mean It's non-profitable. (C) F: I have seen your awarded TV commercial. I think it worth the prize. (D) F: Tell me more about this video about the development of the camera.
Example Output:
B