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 was awaken up in the middle of the night. I felt the building shaking. ,F: What time did it happen? ,M: I don't know. It was dark everywhere. I couldn't see the clock. Luckily, I lived on the second floor. I hurried to run out. With the Moonlight I found it was 2:45.
(A) F: So, you could not see your watch because the electricity was cut off. But with the moonlight you found it was 3:45. (B) F: So, you mean you could not see your watch because the electricity was cut off. (C) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (D) F: So, you mean you could not see your watch because you hurried to flee for your life and you lived on the fifth floor?

Ex Output:
B


Ex Input:
M: Mrs. Turner, I didn't do my homework because I didn't understand it. ,F: Sit down, Ken. And I'll explain it as soon as everyone is quiet.
(A) M: I’m sorry, I don’t understand. Could you say it again? (B) M: Thank you Mrs. Turner. (C) M: How was my homework, Mrs. Turner? (D) M: You are such a good classmate.

Ex Output:

B