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: Have you heard that our boss wants Nancy to accept a 6-week job in Acapulco? ,M: She'll really like that, especially since all of her cost will be paid and she can practice her Spanish, too. ,F: Yes, but most of all, she'll get to spend her free time bathing in the sun on those lovely beaches.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: That is true. Nancy can bathe in the sun on the beach of China. (C) M: Right. Bathing in the sun is the main reason that Nancy enjoys her new job. (D) M: You are right. Nancy can practice her Spanish in Africa. She enjoys that.
Example Output: C

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: F: Well, Jack. Take a seat, please, and where does your enthusiasm for sports come from? ,M: Um, let me think, it's difficult to choose one thing in particular, I grew up around sport. My best friend Mike likes sports. My mom was a really good athlete actually. ,F: Oh yes. ,M: We used to go and see her running marathons, which made a big impression on me as a child. I suppose it's in my blood.
(A) F: Friends always have influence on us. Just like you. You fell in love in sports mostly because of your best friend Susan. (B) F: That means your mom influenced you the most in sports. (C) F: Oh, so your PE teacher was exactly the one who led you to understand the charm of the sports of taekwondo. (D) F: I didn’t hear you. Please could you tell me again?
Example Output:
B