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: A cup of coffee sounds good, doesn't it? ,F: Yes, but I think I'll have orange juice first. ,M: Do you feel like having anything to eat? ,F: Well, I think I'll try the pancakes.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: No problem if you want to have orange juice first. I'll order strawberry cake for you later. (C) M: All right, I'll order orange juice for you first. (D) M: You want to have some lemonade first, right?
Example Output: C

Example Input: F: Is that your dog? He has been digging up my flowers. ,M: It is my dog but you must be mistaken. We keep it in the house all the time except when we walk him in the park and there must be another dog that looks like him.
(A) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) F: Sorry, I am mistaken. (C) F: It's so annoying that my dog likes digging up flowers! (D) F: You must be wrong, this cat looks like mine but actually it's not.
Example Output: B

Example Input: M: Barbara, could you cover for me for a few hours? ,F: I guess so, Sam. I could tell the boss you've gone to buy some office supplies if she asks.
(A) M: Thank you so much! You have returned me the favor and we don't owe each other now. (B) M: Excuse me, could you repeat the question? (C) M: Sorry, boss! I won't leave work again. (D) M: It is ok. I will explain to me colleagues later and thank you again for coming.
Example Output:
B