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: M: So how was your lovely pet dog? ,F: It really makes me upset. ,M: What happened? ,F: It always makes loud noises at midnight. Whenever I fall asleep, it always barks.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Yes, it never makes loud noises at midnight. It's not annoying at all. (C) M: Yes, it always makes loud noises at midnight. It is really annoying. (D) M: Yes, it never makes loud noises at midnight. It is a lazy dog.
Example Output: C

Example Input: F: You look tired. Didn't you get enough sleep last night? ,M: No, I had a bunch of friends over and we partied until midnight. ,F: No wonder you look so bad. ,M: I guess I just can't take late nights like I used to. My head is spinning. ,F: I think you need to go home and take a rest. ,M: I wish I could, but I don't think I can keep my eyes open long enough to drive home. ,F: Don't worry. I'll give you a ride home.
(A) M: Thank you for driving me home. I will not take late night any more. (B) M: We did have lots of fun together last night, let's have a rest now. (C) M: You can go home. I'll stay working for a while since my head is clear. (D) M: I'm sorry, I didn't understand. Could you repeat a little louder, please?
Example Output: A

Example Input: F: Hello, Mark. How many people in your class will compete in the speech contest? ,M: There 5 more students besides me.
(A) F: Good wishes for you and your classmates in the writing contest. (B) F: I didn't hear you. Please could you tell me again? (C) F: I hope your students could get good grades. (D) F: Then how would you entertain your guests?
Example Output:
B