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: Ashley, will you deliver this document to Green Mama's by 3 o'clock or should I ask Rebecca? ,F: I'm sorry, Peter. I am scheduled to meet a customer at 2 o'clock and I don't know how long the meeting will last. Also, Rebecca won't be back until 4:00. ,M: What should I do? Victor just started working here yesterday. So he isn't familiar with things around here.
(A) F: Sorry Peter, My boss wants to see me at 2:00 and the meeting really matters. (B) F: I will see if my meeting with customer will end early. It is supposed to start at 2:00. (C) F: Excuse me, could you repeat the question? (D) F: Sorry Peter, I will meet the customer at 4:00 and have to drive at least one hour to get his office.

Ex Output:
B

Ex Input:
M: I would like to make a hotel reservation. ,F: What day will you arrive? ,M: I will arrive on May fourteenth. ,F: How long will you stay? ,M: I need the room for 3 nights.
(A) F: So, you are gonna leave Shanghai on May 14th. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: On May 16th, you will go to the United States, right? (D) F: Sir, you can check in our hotel on May 17th.

Ex Output:
B

Ex Input:
M: Hello, I bought a shirt in your shop this morning. ,F: Yes. ,M: I bought 1 size too large by mistake. ,F: Oh, did you? ,M: I wonder if you could change it for one size smaller. ,F: Yes, of course. Please bring your receipt when you come. ,M: OK. I'll come to your place later. Now it is 4:00 PM. How late is your shop open? ,F: The shop closes at 7:00 PM from Monday to Friday. But today is Saturday, so we will be open until 8 o'clock, sir. We look forward to seeing you
(A) M: Your shop will close at 4 p.m. on Saturday. (B) M: You mean the shop will close at 7 p.m. between Saturday and Sunday? (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: I know, your shop will close at eight o'clock on Friday.

Ex Output:
C