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: Mom? ,F: What are you doing here down at the beach? I thought you said you were going to buy some things for school? ,M: Uh, I did buy some things. ,F: Well, what did you buy? What do you have in your backpack? ,M: Let's see, I have 3 notebooks, 5 pencils, 2 erasers and...
(A) F: Why did you buy 2 notebooks and 5 pencils? (B) F: Why did you buy 3 notebooks ? (C) F: Why did you buy 3 notebooks and 5 pencils? (D) F: I am really sorry, I did not catch that. Would you slow down, please?

Output: B

Input: Consider Input: F: Can I help you, sir? ,M: Yes, I'm here to see the cars. ,F: Thank you. We have many brands. Do you have any particular brand in mind? ,M: Yes, I want to have a Ford. I need it badly for my work. But I don't have a lot of money. It must be very expensive, isn't it? ,F: Yes. Look, this model is newly developed and began to appear in the market just several weeks ago in America. It cost $43,800. But considering the high quality, it's worth it. ,M: That's why I shall choose it. But I'm afraid that I can't afford to pay in cash now. Can I pay regularly for the car in a year? ,F: Oh, yes. You can pay each month or the first time $13,800. And you must pay the remaining part in 12 months.
(A) M: Since, the way of payment is ensured, then please fill these files first. (B) M: I'm sorry, I don't understand. Could you say it again? (C) M: You don't have to worry about the quality of the car, daddy! (D) M: The function of the car is pretty good, you can have a try my son.

Output: A

Input: Consider Input: M: Hello, mom. ,F: Hello, Dan. Have you arrived in your office? ,M: Yes, I have. ,F: Are your shoes totally wet? The rain was so heavy when you went out for work. ,M: Yes, but don't worry about it. I have bought a new pair of socks. They make me feel better. ,F: I think you need a pair of rain shoes. I know your size is 41. But what color do you like? ,M: Well, black is my favorite.
(A) F: I see. You like grey best. They have grey ones. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: Oh, you like black best. Let me see if they have black shoes. (D) F: I didn't know that you like white best. I'll buy you white shoes.
Output: C