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: Hello, Richard. Nice to meet you. ,M: Hi, Barbara. Haven't seen you for ages! ,F: I've just come back from Canada. I was helping in a research program and I stayed in a town near Toronto for 2 months. ,M: Oh, how nice! Did your program go smoothly? ,F: Yes, and I'm going back in March to continue. ,M: Did you enjoy your stay in Canada? ,F: Oh, yes. They were very nice people. I mean, the people I worked with, very friendly and very helpful. ,M: Did you travel a lot there? ,F: No, we were very busy trying to finish the first part before Christmas. But my friends took me to quite a few parties and I never forget the big meal on Thanksgiving Day, and the fun we had on Boxing Day. ,M: What Day? ,F: Boxing Day. The day following Christmas Day.
(A) M: Really? The day before Christmas Day? So, the Boxing Day falls on December 24? (B) M: Excuse me, could you repeat the question? (C) M: Really? The day following Christmas Day, so the Boxing Day falls on December 26? (D) M: Really? The day following Thanksgiving Day, so the Boxing Day falls on December 26?

Output: C


Input: Consider Input: M: I'd like a lot of different bands. I guess my favorite one is Green Day. Do you like them? ,F: No, I don't. I guess they have some good songs but they're very noisy.
(A) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) M: What's your hobby in your spare time? (C) M: Why do you like these songs? (D) M: Oh, you like Green Day band best. That's great. I like them, too.

Output: A


Input: Consider Input: F: I would like to check out now. My name is Tom, room 112. ,M: Yes, here we are. The rate for that room is $30. You made a long distance call and the telephone bill is $12.
(A) F: Do you mean I just need to pay $12 for the rate for that room? (B) F: I’m sorry, I don’t understand. Could you say it again? (C) F: Okay. I have to pay $42 including the rate for the room and the telephone bill. (D) F: Will I need to pay $42 without the telephone bill?


Output: C