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.

Example Input: F: Hi jack, what did you think of the lecture you attended last night? ,M: Well, I should have stayed at home. And half of people had left before it was finished.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Yes, it is so moving! (C) F: Yes, the concert yesterday was really boring. (D) F: Why do you think it was boring?
Example Output: D

Example Input: F: Julia and I are driving downtown this afternoon. Want to come, Tom? ,M: Thanks, Kathy, but I've got to study. I'm way behind in maths.
(A) F: In that case, Judy and I are going to the bus station to catch bus. (B) F: Oh, ok, since you are going to the math class, we can drive you there. (C) F: Excuse me, could you repeat the question? (D) F: Oh, ok, John, then we'll leave you to study English.
Example Output: C

Example Input: M: Mom, the house is clean, how early did you start doing the cleaning? ,F: 7:00 AM, I tried to make all rooms clean before 11:00 o'clock. ,M: You got up early. ,F: And then I cleaned the garden from 1:00 PM till 3:00 PM.
(A) M: So you spent 4 hours cleaning the room? You must be very tired now. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I'm so impressed that you spent 6 hours cleaning the garden. (D) M: It's so impressive that you spent 8 hours cleaning the garden.
Example Output:
A