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: I can't stand this heat. I can't get my attention to studying for the midterm exam. I guess I'll have to go to the library this afternoon. ,F: I don't blame you. This dormitory doesn't have air conditioning. I can't study, either. My roommate and I are thinking about moving out to the other dorm, or an apartment that has air conditioning. ,M: Oh, I thought about moving to. But if I want to live in an apartment, I have to pay a lot of money for electricity. Do you know an air conditioner is cheaper today than it was 10 years ago? On the other hand, electricity is a lot more expensive today. ,F: I didn't know that. How much do we have to pay for the electricity? 5 years ago, it was possible to run an air conditioner 24 hours a day for mere $20 a month. Today, the same air conditioner in the same house cost more than $40 a month.
(A) M: Excuse me, could you repeat the question? (B) M: That means $35 will cost to run an air conditioner 24 hours a day for 2 months 5 years ago. (C) M: Today, as five years ago, running an air conditioners 24 hours a day cost $20 for 2 months. (D) M: Electricity is cheaper today. 5 years ago, running an air conditioners 24 hours a day cost $40 for 2 months.
Example Output: A

Example Input: M: Ashley, will you deliver this document to Green Mama's by 3 o'clock or should I ask Rebecca? ,F: I'm sorry, Peter. I am scheduled to meet a customer at 2 o'clock and I don't know how long the meeting will last. Also, Rebecca won't be back until 4:00. ,M: What should I do? Victor just started working here yesterday. So he isn't familiar with things around here.
(A) F: Sorry Peter, My boss wants to see me at 2:00 and the meeting really matters. (B) F: I will see if my meeting with customer will end early. It is supposed to start at 2:00. (C) F: Excuse me, could you repeat the question? (D) F: Sorry Peter, I will meet the customer at 4:00 and have to drive at least one hour to get his office.
Example Output: B

Example Input: M: Did anyone phone me while I was out? ,F: Nobody phoned but Mister Power came. ,M: What? But he's the man I wanted to talk with as soon as possible. I told you all about that before I left. ,F: Yes, but... ,M: I even gave you a card with the name and telephone number of the restaurant. ,F: But that's just it. You didn't give me the card. ,M: What do you mean? Of course I did. I took the card out of my wallet just before I left, look, it isn't in my wallet now. ,F: Mister Smith, once that card on the floor, it fell out of your wallet a second ago. ,M: That's card. It's a...It's a card. I thought I gave you. ,F: You see, you are forgot, that's why I didn't phone. ,M: I'm very sorry. It wasn't your fault. I apologize. ,F: That's alright, please forget it.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: I am so sorry that I forgot to give the card to you. But luckily, I got the call form Mister Power. (C) M: I am so sorry that I forgot to give the card to you and I shouldn't be angry with you. (D) M: I apologize to you. You told me that Mister Power came but I was late for the phone.
Example Output:
C