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: I'm really surprised you got an A on the test. You didn't seem to have done much reading. ,F: Now you know why I never missed the lectures.
(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: Wow! You have reviewed all the notes? No wonder why you got an A on the test. (C) M: So you mean that you have attended every lecture and it helped you get an A on the test? (D) M: So you mean that you have attended every lecture but it didn't help you to improve your grades?
Example Output: C

Example Input: M: So how was your lovely pet dog? ,F: It really makes me upset. ,M: What happened? ,F: It always makes loud noises at midnight. Whenever I fall asleep, it always barks.
(A) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) M: Yes, it never makes loud noises at midnight. It's not annoying at all. (C) M: Yes, it always makes loud noises at midnight. It is really annoying. (D) M: Yes, it never makes loud noises at midnight. It is a lazy dog.
Example Output: C

Example Input: M: Hello, it is Carol, isn't it? ,F: Oh! Mike? Oh my goodness, I haven't seen you for ages. ,M: Nice to see you again after all these years. What have you been doing? ,F: Well, I tried many things after we left school. I'm now working for a large oil company, in charge of sales mainly, so I travel a lot. ,M: Oh, that's great, you must really enjoy that. ,F: Oh, I do. It's exciting, it is quite tiring, though. What about you Mike? What do you do? ,M: I work in a law firm. I'm practicing business law, you know?
(A) F: Oh, that's interesting. You are a great lawyer. Business law is quite difficult. (B) F: Oh, that's interesting. You are a great salesperson. Do you have a lawyer for your company? (C) F: Oh, that's interesting. You are successful as a businessman. Do you have a lawyer for your company? (D) F: I’m sorry, I don’t understand. Could you say it again?
Example Output:
A