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: I need to go to the bank. ,F: But they're all close today? ,M: Closed? Are you kidding? What is it? Some kind of holiday today?
(A) F: Hey, calm down. Just joking, The post office is right behind you. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Hey, calm down. Just joking, there's no bank in the town. (D) F: Hey, calm down. Just joking, which bank do you want to go?

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:
M: Could you come to our evening party tomorrow? ,F: I'd like to, but it's a great pity that I have something more important to do then.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: So, you would like to come to our evening party the day after tomorrow and you intend to go to the evening party. (C) M: Okay. It's a pity that you can't go to the evening party. (D) M: Really? You think it's not a pity that you have something important to do then, and you can't go to the evening party?

Ex Output:
C