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.

Input: Consider Input: M: Wow, this dance is surely cool. There are so many people here. Uh, what's your name? ,F: Susan, Susan Dawes. You really don't know who I am? You sit behind me in geography class. ,M: Oh yeah, you're right. I guess I'm just used to looking at the back of your head, not your face. ,F: Are you OK? You're so nervous. ,M: I'm sorry for my strange behavior. I don't know why I pretended I didn't know who you were. I just didn't know how to start the conversation.
(A) F: It's okay, you behaved cool just now. (B) F: So every time you don't know how to start a conversation, you behave awkward, right? (C) F: Never mind, you are polite. (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Output: B


Input: Consider Input: M: Nice to see you, Mary! Come in, please! ,F: Thank you Tom, but I am afraid not now. I've come only to return the book borrowed from you. ,M: Wonderful. I've been waiting for you a long time and longing to know what you think of it. ,F: It is very interesting and I've learned a lot from it. ,M: Well, so it is with me.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: It is very boring. (C) F: You are interesting. (D) F: It's just so-so.

Output: A


Input: Consider Input: M: Do you have any special plans for tomorrow? If you'd like I can treat you to the movies tomorrow afternoon. ,F: Well, I have a doctors appointment at noon and I'm going to have dinner with my brother at 6:00. I could probably enjoy a movie in between since it's your treat.
(A) M: Are you ill? Why are you going to see a doctor tomorrow afternoon? (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: I'm so happy that you can watch the movie with me tonight. (D) M: It's my pleasure that I can watch the movie with you tomorrow afternoon.


Output: D