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.

Example 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.
Example Output: A

Example Input: F: Good morning. ,M: Morning. ,F: Come in. Sit down. Now, you're a new patient, aren't you? ,M: Yes, that's right. ,F: OK. So I better ask you some questions first. Now, have you ever had any serious illnesses or accidents? ,M: A broken leg I got from playing football when I was 17. I was in the school team at that time.
(A) F: I'm sorry that you got a broken leg from playing football. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: I'm sorry that you got a broken arm from playing with a wild cat. (D) F: I'm sorry that you got a broken arm from a traffic accident.
Example Output: A

Example Input: M: A new book of JK Rowling has been released. You must be a fan of hers. ,F: I haven't heard about the news. But you're right, I am crazy about her works.
(A) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (B) M: To tell the turth, I love these two books very much, I am sure you will buy them. (C) M: Mr.Sam, Jk Rowling will attend an event in the bookstore near our house in a few days. I think you will go to visit her, right? (D) M: Alright, you are definitely going to buy her new book.
Example Output:
D