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.

Input: Consider Input: F: Excuse me, Mr. Smith. I was wondering if you could do something about my neighbor's dog. It's been barking and keeping me up all night. ,M: OK. I'll call your neighbor on the phone.
(A) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) F: Thank you! I hope I can sleep well tonight. (C) F: Thank you! My dog didn't feel well and barked all night! (D) F: Thank you for calling him. I guess I should make a apologize to my neighbor.

Output: B


Input: Consider Input: M: Excuse me, can I join the library? ,F: Are you a student of our college? ,M: No, I'm not. But I hear that it's open to the public. ,F: That's right. ,M: OK. Does it cost anything to join? ,F: Well, it's free for students of our college while it is 125 pounds per year or 35 pounds per quarter for the public.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: That means if I pay by year, it will save me 15 pounds a year. Sounds good. (C) M: Wow, that will save me 25 pounds if I pay by month! That's a real bargain. (D) M: Sounds good! I just pay 35 pounds for the whole year! I'd like to join this library.

Output: B


Input: Consider Input: F: How much did you pay for this new fridge? ,M: Oh, it was a little over $1000 plus tax. It was much more expensive than our washing machine, but not nearly as much as our bed.
(A) F: So how much did you spend on your most expensive bed? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: So how much did you spend on your most expensive fridge? (D) F: So how much did you spend on your most expensive washing machine?


Output: A