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: Sam, where's the closest ATM? ,M: It's not that far. Do you see that yellow building over there? It's next to it, on the right. ,F: Oh, I see. Do you know if there's a convenient store around here?
(A) M: Yes, I think the store is near the closest ATM at the back of the Yellow building. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Beside the closest ATM, but they are very far, on the right of that Yellow building. (D) M: No idea. You can go to the ATM first, which is on the left of that Yellow building.

Ex Output:
B


Ex 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.

Ex Output:
C


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