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: Congratulations on your new job. I know you worked hard for it, cheers. ,M: Cheers, it has been a pleasure working with you all these years. I'll make sure to come back and visit next month. ,F: You'd better. Work won't be the same without you. So when do you start? ,M: I went in today to fill out some paperwork but I won't start until the following Monday.
(A) F: You are starting tomorrow? That's real quick. (B) F: Excuse me, could you repeat the question? (C) F: Oh, you will start tomorrow instead of next week. (D) F: You will start next month? What are you going to do these days?

Ex Output:
B


Ex Input:
M: Hello, Betty! It's me, Tim! Am I calling at a bad time? ,F: No, not really. ,M: I have invited some of my friends to dinner at my house this evening. I thought maybe you'd like to come too. ,F: Well, that sounds good. But I'm afraid I've got to do some reading for my English course at home. ,M: Today is Friday. You've got to relax and enjoy yourself on the weekend.Y
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: You are right. I need to take some exercise. (C) F: I don't like to have fun. (D) F: You are right. You should have fun.

Ex Output:
C


Ex Input:
F: What do you think of your new English teacher Mr.White, Tom? ,M: Though many of my classmates consider him responsible and patient, I just think he's too strict with us.
(A) F: So you think he is too strict. (B) F: So you think our new math teacher is too strict. (C) F: So you think our new Chinese teacher is very patient. (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Ex Output:

A