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: Shirly, I'm working on our class diary for next week. Would you please give me the information? ,F: Sure. First is the deadline for after class activity application. The deadline is next Monday, June fourteenth.
(A) M: OK. The deadline of personal data is on June 14th, right? (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: I see. The deadline of photos for the club is on June 14th. (D) M: I see. The after-class activity application is due next Friday.

Ex Output:
B


Ex Input:
M: I can't wait for my birthday party this Saturday evening. I hope it will be better this year. I'm hoping for something surprising and a lot of gifts. ,F: It will be. There will be a lot of people at your party. ,M: I know my friends are preparing to give me a big surprise these days. ,F: How do you know? ,M: I saw Tom wrapping a big box with Alice, Bob and Annie
(A) F: Oh, I am pretty surprised about that, they really did a lot things for Bob's birthday party this Saturday evening. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: To tell the truth, I'm as excited as you are, I also want to know the result of the test we did yesterday. (D) F: You are so calm, don't you want to know what they have prepared for Alice's birthday party this Saturday evening?

Ex Output:
B


Ex Input:
F: Good afternoon, sir. What can I do for you? ,M: Tomorrow is Father's Day. Do you have anything to recommend?
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Good morning! What's my room number? (C) F: I'd like to have a bowl of rice and a fried fish for mother's day. (D) F: Yes, the day after tomorrow is father's day. What does your father like?

Ex Output:

A