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:
F: Why do you like your college so much? ,M: Because it has great teachers and I like all my classmates, too. But most importantly, it's not expensive.
(A) F: Yes, classmates are always the main reason we like our college. (B) F: I understand. Your college won't cost you much, so you like studying there, even though your classmates aren't friendly. (C) F: Now you can be happy to take classes from great teachers. That was your dream. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
D


Ex Input:
M: Do you think people's moods are affected by the climate they live in? ,F: Well, I think there's certainly something in it. Because when the weather is hot, I easily lose my temper, but when it's cooler I feel much calmer. And if it's raining, I always feel sad.
(A) M: Why do you feel angry when it's hot? (B) M: Excuse me, could you repeat the question? (C) M: Why do you feel sad when it's hot? (D) M: Why don't you feel angry but sad when it's hot?

Ex Output:
A


Ex Input:
F: Did you see the film on Channel 4 last night? ,M: Well, I meant to see it, but a friend of mine came to see me. We had a nice long chat about our school days.
(A) F: Why did you go to school last night? (B) F: What did you say with your friends? (C) F: I’m sorry, I don’t understand. Could you say it again? (D) F: The film on Channel 4 last night was great, right?

Ex Output:

B