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:
F: All the time I was at school, I wanted to be a nurse. But my mother worked in a shop and said it wasn't good to be on your feet all day. ,M: Then what's your job now? ,F: I'm doing what I always wanted to do.
(A) M: I see, you are a teacher now. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: I see, you are a nurse now, and it's surprised me that you just wanted to be a nurse recently. (D) M: I see, you are a nurse now.

Ex Output:
D


Ex Input:
F: I feel terrible. I really need to relax. Do you know any good ways to fight stress? ,M: Yes. In fact, I read in a health magazine that you can drink 2 cups of lemon tea every day. That will be helpful to deal with stress. ,F: Lemon tea?
(A) M: Well, since you are too delighted to feel stressed, you don't need lemon tea. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: Since you are not stressed, maybe lemon tea can help you be less frightened. (D) M: At least the health TV program said lemon tea can help you relax from stress.

Ex Output:

B