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: You're from Canada, right? ,F: No, I'm not from Canada. I'm from the USA. ,M: Oh, sorry. Are you studying Japanese here? ,F: Actually, I'm not. I'm a business student.
(A) M: I'm from America so I teach English here. (B) M: When did you come here from your home country of America? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: I grew up in Japan and studied Chinese there.

Ex Output:
B


Ex Input:
F: Hello, I am Miss Gear. I... ,M: Oh, good morning, Miss Gear. Come in, please. We have talked on the phone. You'd like to rent the place? ,F: Yes, I'd like to have a look at this house. ,M: That's quite good. Let me show you around the place. How do you like the location? ,F: The place is very convenient. As it's only a 5 minutes' walk from the nearest bus stop. This must be the bedroom. Oh my God. I love the French window.
(A) M: Yes, the place is near the bus stop, and the living room window of French style is awesome. (B) M: The French window in bedroom is really attractive, but the place is far from the bus stop. (C) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) M: The safety of building is really important, though you don't like the location.

Ex Output:
C


Ex Input:
F: Are you having a good time? ,M: Sure, thanks again for inviting me. ,F: No problem. I just wish more people could have come.
(A) M: The party is so great! (B) M: I think the meeting is as boring as the party. (C) M: I have a good time in making a holiday plan. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:

A