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.

Ex Input:
F: John, when was Tom born? ,M: He was born on May seventh 1982. He is 4 years older than I am, but our birthdays are on the same day.
(A) F: Oh, you mean you were born in 1982 and you are 4 years older than Tom? (B) F: I can't believe that you were born in 1986 and you are 4 years older than Tom. (C) F: I'm sorry, I don't understand. Could you say it again? (D) F: Since you are 4 years older than Tom, so you must have been born in 1978.

Ex Output:
C

Ex Input:
F: What time is it, Steven? ,M: Uh, it's 7:30. Aren't you going to finish your breakfast? ,F: I don't have much time. I've got a lot to do downtown today. ,M: If you're coming into the city, we may have lunch together.
(A) F: Well, we are living in the center of the city, so since today we are going to the countryside, I think it will take a long time to go there. (B) F: I'm sorry, I didn't understand. Could you repeat a little louder, please? (C) F: That's awesome, but you know we are living out of the city, so perhaps I'll be late for a few minutes fot the aerobics class. (D) F: That's great, but you know we are living out of the city, so perhaps I'll be late for a few minutes.

Ex Output:
D

Ex Input:
M: I've been busy lately, I've been spending a lot of time talking to people in chat rooms. ,F: So have you met someone yet? ,M: No, yesterday over 100 people wanted to talk to me. One even said that I was his dream girlfriend. ,F: What? Wait a minute, don't you mean dream boyfriend? ,M: Oh, I forgot to tell you I pretended to be a 16-year-old girl. I had to, nobody wants to talk to me as a guy.
(A) F: So you've been busy looking for chat rooms because more than 200 people want to talk to you? (B) F: You mean you pretend to be a girl who is busy chatting with others online? (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: You mean you recently pretended to be an 18-year-old girl and were busy visiting an online friend?

Ex Output:
B