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: May I speak to Mr Brown please? ,M: Oh, sorry. He isn't in at the moment. ,F: When will he be back then? ,M: Sorry, I don't know. Can I take a message? ,F: Certainly.
(A) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (B) M: I'm so glad to talk to you through phone, Mr Brown. (C) M: All right. Please tell him that I called and I want to invite him for a party. (D) M: I'm so happy to meet you in the meeting room, Mr Brown.

Ex Output:
C


Ex Input:
F: Welcome to the parent teacher conference. So what is your child's name? ,M: Megan Jones. ,F: Let's see, um, she missed the last couple of days has she been sick? ,M: No, she's been having some problems with the other kids in your class. ,F: Well, you know, junior high school is the difficult time, but she just needs to speak up a little more in class. ,M: No, it's more than that. Some of the kids in your class have been joking around with her a lot about her appearance. And then the other day, you didn't help at all. She said, you commented on her blouse and jeans. Saying they were from the nineteen seventies.
(A) F: You're right. I will find out who stole her phone. And the kids really like Megan's appearance. She is like an angel. (B) F: I think the kids didn't ignore her at lunch on purpose, because they really like Megan's appearance. She is like an angel. (C) F: I understand. I won't let them make fun of her appearance. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:
C


Ex Input:
F: Where did you go to school? ,M: I went to university in New York and studied computer, and then I went to a business school in Sydney and stayed there for 2 years. ,F: OK, but you grew up in the UK, right?
(A) M: I didn’t hear you. Please could you tell me again? (B) M: Kind of. I studied teaching in New York. (C) M: Yeah. I went to university in New York for business. (D) M: Yes. I used to study computer in Sydney.

Ex Output:

A