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 Q]: 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.
[EX A]: A

[EX Q]: 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.
[EX A]: A

[EX Q]: M: Excuse me, I'm mailing this package to Japan. ,F: Alright. Fill out this form about the contents and value. Do you want to insure it? ,M: I don't think so. It's only some books. ,F: Are you sending it surface mail or airmail? ,M: Airmail, please. ,F: OK. That's $25. ,M: Here's $30. ,F: Alright. Here's your change.
(A) M: So, as I'm mailing this package to China, it's free and the change is $ 30? (B) M: So, it needs $25, and as I give you $30, the change is $ 5? Okay, I see. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: You mean the change is just $ 5? But you say that's $20, and I give you $30!
[EX A]:
B