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.

Ex Input:
M: Researchers in America did some experiments to try to figure out why some people gain weight more than others do. ,F: Yeah, some people can eat whatever they want and they never seem to gain a pound. ,M: In this study, volunteers were given 1000 extra calories a day. About 2 pieces of cheese's worth of extra intake. ,F: This kind of study I'd like to be in.
(A) M: You prefer excise and you don't want to take 1200 extra calories so you don't like this experiment. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Because you want to lose weight and you don't want the extra 1200 calories but you still want to join the experiment. (D) M: Because you enjoy the food.

Ex Output:
D

Ex Input:
F: How was your economics class? ,M: Well, to be honest with you, I fell asleep during the lecture. ,F: Was it that boring? ,M: No, it wasn't the teacher's fault. The problem is that I can't stay awake for a 2 hour lecture. I had been working in the evening at the hospital. ,F: Isn't that going to affect your grades? ,M: Probably, but I need to work to pay my school fees.
(A) F: So you need to work at restaurant to pay your hospital bill. Poor you. (B) F: I didn't hear you. Please could you tell me again? (C) F: So you have to work at restaurant to pay your debts. (D) F: So you have to work to pay your school fees.

Ex Output:
D

Ex Input:
F: I'm so tired. I've spent the entire afternoon looking for a heavy coat for Jimmy. ,M: But it's summer now. ,F: Yes, I know. But he and Billy are going camping in the mountains this weekend.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: Yes, Billy and I are going camping in the mountains next weekend. Will you join us, Jimmy? (C) M: Really, I want to go camping in the mountains with Billy and Jimmy. (D) M: You mean Jimmy went camping and then caught a cold. How terrible!

Ex Output:
C