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: F: When will I get the decoration materials? ,M: Usually, we make the delivery every Tuesday afternoon. ,F: Well, I won't be at home then. I usually work in the afternoon, but you can put the materials in the downstairs bookstore. ,M: No problem. And what is your address? ,F: I live on the thirty-fourth Golden Street, Portland. ,M: OK, I have got all the information. ,F: And how much should I pay? ,M: With shipping charges, your total fare will be $96. Do you want to pay in cash or? ,F: I don't have enough cash now. Could I use Wechat Pay to give you the money? ,M: Certainly.
(A) F: I'll use Wechat Pay to give you the money. (B) F: I like to pay by cheque. (C) F: Excuse me, could you repeat the question? (D) F: Although it's convenient to pay by Wechat, I prefer to use cash.

Output: A

Input: Consider Input: F: How was your trip to New York? ,M: It was fun. I took the train there. ,F: I didn't know that a train went from Los Angeles to New York. ,M: Well, it doesn't go there directly. First, I took a train North from Southern California to Seattle Washington, then I transferred to another train, this one went across the northern part of the country, from Seattle all the way to Chicago, Illonois. ,F: How long did that part of the trip take? ,M: 45 hours. ,F: Then how long did it take to get from Chicago to New York? ,M: Another 20 hours, this time I had a window seat, and the view was amazing! High stayed up just to look, by the time I arrived in New York. I was exhausted!
(A) F: What? You spent 45 hours to go from Chicago to New York? That was too long. (B) F: So it took 20 hours from California to Seattle by train, didn't it? (C) F: Oh, it took 20 hours to go from Chicago to New York. That was too long. (D) F: I am afraid I did not quite catch what you were saying. Please repeat it.
Output: C