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:
M: And so tired! I've been up late studying for the math exam for the last 2 nights. ,F: I have, too. But I'm so nervous that I can't fall asleep at night. ,M: Maybe you can drink a glass of milk and take a bath before going to bed.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Yes, it is a best way to relax. (C) F: How about your study report? (D) F: Since we have taken too mu time on Chinese exam, I think we should have a good rest.

Ex Output:
B


Ex Input:
M: International Film Club. ,F: Hello, I'd like some information about the club, please? ,M: Certainly, first of all, you must be over 15. Is that OK? ,F: Yes, that's fine. I'm 16, are you open on Sunday. ,M: I'm sorry, we aren't. When we started we opened from Tuesday to Friday, but now we open from Monday to Saturday. We get more people now.
(A) F: So we can not go there on Sunday because it is closed. (B) F: You mean the club open on Sunday now. (C) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (D) F: It is a pity that the club is closed on Monday.

Ex Output:
A


Ex Input:
M: Have you got your schedule for this term, Monica? ,F: Yes, Yuri, I have. It's going to be quite a hard term. ,M: Really? What subjects are you taking? ,F: I've got culture studies on Tuesdays and Thursdays at 8:30. ,M: Oh, 8:30. That's early. Do you have any classes after that? ,F: Yes. Straight after that at 10:00, I have a class on social change. ,M: That sounds OK. Do you have afternoons free? ,F: Only on Tuesdays and Thursdays. On Mondays, Wednesdays and Fridays, I've got language development at 2:00 o'clock. ,M: That sounds interesting. What other classes do you have? ,F: I've got education on Monday morning at 9:40 and communication studies on Wednesdays and Fridays at 10.
(A) M: You have so many classes! Education on Mondays begins at 9:40 a.m., right? (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: Wow. You are so busy! You have Education at 2 p.m. on Mondays. (D) M: Oh, Education at 9:40 a.m. is the only class you have on Mondays, isn't it?

Ex Output:

A