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: When will the school play start? ,M: At 7 o'clock, but please arrive by 6:45. ,F: All right. I won't be late.
(A) M: You will be late, because the school play will start at 6:45. (B) M: Although the school play will start at 7:00, you will be late since it is 6:55 now. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: The school play will start at 7:15, but we will be late.

Ex Output:
C


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: Hi, you're new here, aren't you? What's your name? ,F: Stella. ,M: Want to come and play? ,F: I'd like to, but I can't. My mom says I've got to stay and help her. It's my brother's birthday and we're having a party. ,M: Oh, you've got a brother, have you? ,F: I've got two brothers. Kit, the one with the birthday. He's only little. He's four. I've got a big brother who's married. His name is Don. ,M: Does your brother Don live near here? ,F: Yes, not very far away. Cathe, his wife, works in the shop over there. They've got a new baby called Liz. I mean Elizabeth really, but we call her Liz. ,M: Is that your mom over there calling you? ,F: No, that's my aunt May, my mother's sister. I'd better go. Bye. ,M: Bye.
(A) F: Uncle, don't you want to join Bob' s birthday party? (B) F: My best brother Don, happy birthday to you! (C) F: Good to see you my neighbor! Would you like to join the party? (D) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Ex Output:

C