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: Good morning, Ann. ,F: Good morning, Mister Jones. ,M: How about a cup of coffee? ,F: I will make it now. ,M: And can you tell me what meetings I have this week? ,F: I will bring the diary. OK, this afternoon you have a meeting with your accountant at 5:00 PM. On Wednesday, you are going to London. Don't forget your train leaves at 9:30 AM. ,M: OK, what time is my meeting in London? ,F: At 11:30 AM. And on Thursday, Miss Von wants to talk to you.
(A) M: Thanks, you are a good student. (B) M: Thanks. I am such an excellent secretary. (C) M: Thanks, you are such an excellent secretary. (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
C

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:
F: Morning, Charles. ,M: Morning, Diana. How was your Christmas? ,F: Great! ,M: Where did you go? ,F: I went to London and stayed with my uncle for 2 weeks.
(A) M: Why did you think that it was just so-so? Didn't you have a lovely time? (B) M: Sounds like you have had so much fun! How was your aunt in London? (C) M: Sounds like you have had so much fun! How was London? (D) M: Excuse me, could you repeat the question?

Ex Output:
C