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: Guess what, the television isn't working again. ,F: I had it mended many times. It's really not cheap to have it fixed. Perhaps it needs replacing. ,M: Maybe we can sell it first. ,F: I agree.
(A) M: Why not buy a new one first? Maybe it doesn't need replacing. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Or we can keep it first. We may sell it in the future. (D) M: That's a good idea to sell the television first.

Ex Output:
D


Ex Input:
F: Excuse me, could I ask you some questions? ,M: Of course. ,F: I work for an advertising agency and I'm doing some research. It's a new magazine for people like you. ,M: People like me? What do you mean? ,F: People between 20 and 35 years old.
(A) M: I am young. The magazine is not suitable for people like me. (B) M: So I am in the young group between 20 and 35, right? (C) M: So I am in the mid-aged group between 35 and 55, right? (D) M: I am afraid I did not quite catch what you were saying. Please repeat it.

Ex Output:
B


Ex Input:
F: I got 90 in my math exam. ,M: I got 95. But Linda was the best in my class, she got 98.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: You got 90, which is higher than the score of Linda who just got 88. (C) F: You are great too. You got 90. (D) F: Cool. You are the best. You got 98, but Linda just got 90.

Ex Output:

C