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: Another cup of coffee? That's your fourth since lunch. You must be really thirsty. ,M: Well, I stayed up very late last night preparing for my paper. I just wanted to keep myself awake.
(A) F: So you are sleepy because you played games last night. (B) F: So you drink so much coffee because you are sleepy. (C) F: I'm sorry, I didn't catch that. Would you mind speaking more slowly? (D) F: You are addicted to tea.

Ex Output:
B

Ex Input:
F: Have you chosen the music for the party yet? ,M: I was going to just let people bring their own. ,F: Oh, I don't think you should do that. One person needs to be in charge. Otherwise, people will start disagreeing. Sony's really good at music. You could ask her. ,M: OK. Have you got her number? ,F: Yeah, it's on my mobile. I'll text it to you.
(A) M: You have helped me prepare for the party. The party is a great success. (B) M: Thank you for asking Sonia for the information of the party. (C) M: I know Sony's phone number, but thank you for offering to tell me. (D) M: I didn't hear you. Please could you tell me again?

Ex Output:
D

Ex Input:
F: How is your mother feeling these days? ,M: Much better, thanks. She'll be back home in a few days. ,F: That's wonderful. When will you be back at your job? ,M: I think I'll need a week to take care of her and do some cleaning. ,F: Why don't you hire someone to do it? You'll be able to work and also have more free time. ,M: I prefer to do it myself.
(A) F: Really? You don't prefer to do it yourself and you ask for a week off because you have to see a doctor? (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: So, you mean you ask for a week off because you have to take care of your dad and do some cleaning? (D) F: So, you mean you ask for a week off because you have to take care of your mom and do some cleaning?

Ex Output:
D