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: M: Can I have my bill, please? ,F: Yes, one moment, please. ,M: Do you take credit cards? ,F: Sorry, we don't accept checks, either. You have to pay in cash.
(A) M: OK. I'll pay by credit card. (B) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) M: Fine. I will pay by cash. (D) M: You don't accept cash? How about credit card?
Example Output: C

Example Input: F: Dad, I just finished my paper. Can you help me check it before I handed in? ,M: Sure, let's take a look. Sweetie, this is really good. Your ideas are so original.
(A) F: Thanks. So you think my exam grade is very good. (B) F: Thanks. So you think my paper is very good. (C) F: Thanks. So you think my paper is very bad. (D) F: I didn't hear you. Please could you tell me again?
Example Output: B

Example Input: M: Have you ever thought of moving, Sarah? ,F: We thought about it, but my husband and I can't afford it right now. ,M: Buying a house near our company can be expensive, but there are ways to find cheaper houses. ,F: Like what? ,M: Well, you can buy a house far away from the city center. You would definitely save money that way. ,F: That's a good idea. ,M: My sister in law and her husband just bought a house that way. And they're pretty satisfied with it.
(A) F: So your sister-in-law finds the house satisfactory. Sounds really good. I can find a house like this. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: She is satisfied with the house after paying a big amount of money for it? I don't have so much. (D) F: She thinks that the house is expensive? Well, it's located right in the city center near our company.
Example Output:
A