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: Hello I'm Tom, who are you? ,F: I'm Marry. I'm from Korea. ,M: Really? How nice. How long have you stayed in the US? ,F: Four years. ,M: That's a long time. Have you been back to your country? ,F: No. ,M: You must miss your home. ,F: Sure, but gladly, my family are going to visit me next week. ,M: You must be very excited. ,F: Of course. ,M: How do you like New York? ,F: It's a modern city, full of energy and people here are quite friendly.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Yes, New Yorkers are friendly, but you Spanish are friendly, too. (C) M: I agree with you. People in New York are busy and unfriendly. (D) M: So as a local American, you think New Yorkers are energetic.

Ex Output:
A


Ex Input:
F: I finished the report. May I leave the office early today? I have to pick up my parents at the airport. ,M: But you are supposed to meet Mr.Black at 4:00 o'clock, aren't you? Can't you ask somewhere else to go to the airport?
(A) F: But I have already finished writing the report. Why can I go pick up my parents at the train station? (B) F: Oh, I forgot about that. I will meet Mr. Black then. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: OK, I'll ask Mary to pick up my parents at the train station then.

Ex Output:
B


Ex Input:
M: What time is it? ,F: It's 4:45. ,M: Shouldn't we be at Jim's house by 5 o'clock? ,F: 5:00 or 5:30. He said it didn't make any difference.
(A) M: 4: 45 or 5: 15? I won't be off work by that time, I'm afraid I will be late. (B) M: 5:00 or 5: 30? It's the first time we went to Jim's new restaurant, so we'd better not arrive late. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: 4: 00 or 4: 30? That's too early, I'm afraid I will be late.

Ex Output:

C