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 Input:
F: Good morning, sir. May I come in? ,M: Good morning. Yes, please. Take a seat. I guess you want to open an account, right? ,F: Yes. ,M: Great. What account do you want to open? A checking account or a saving account? ,F: I would like to open a saving account in your bank. What is the procedure? ,M: Would you like to open an account in a single name or in joint names? ,F: I would like to open a joint account with my father.
(A) M: OK. You want a saving account with a single name, don't you? (B) M: Sure. You need to open a saving account in joint names with your mother. (C) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) M: OK. Why do you want to open a checking account in a single name?

Ex Output:
C


Ex Input:
F: How may I help you? ,M: I need to buy some clothes for my daughter. I don't know what size to get. Can you help me? ,F: Certainly. How old is she? How tall is she? ,M: She is 9 years old and 4 feet tall. ,F: We have a great selection of clothes for young girls. Pants start at $10 and shirts start at $7.
(A) M: Really? You have a great selection of clothes for young boys and the cheapest shirt is just $10? (B) M: Excuse me, could you repeat the question? (C) M: So, as you mean pants start at $15 and shirts start at $7, the cheapest shirt is just $7? (D) M: Really? The cheapest shirt is just $3? Oh, I need to buy some clothes for my wife.

Ex Output:
B


Ex Input:
F: When does the school year start in Japan? ,M: In April. Do you start in September? ,F: No. In my country, we start one month earlier than Japan. ,M: That's next month.
(A) F: Yes. Now is February. (B) F: Yes. The school year starts in April in my country. (C) F: Yes. The school year starts in September in my country. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:

A