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: Hello, Tom. How are you finding teaching here? ,M: I get the feeling that somehow the school successful. The buildings and furniture are so old, yet amazingly, the students seem happy. These days you can't compete in less you can really provide the best. That's the trouble with these small family owned schools, so many are taken over by large companies. They seem to offer a whole range of subjects, not just English and maths. ,F: I think that's good. Because they can bring together a mixture of teachers of different subjects. A geography teacher say might give you fresh ideas that you can apply and teaching English or math. ,M: I've always found it a real eye opener talking to other English teachers, because people's methods of teaching the same subject can vary so much. Actually, I sometimes feel that about classes. I feel it's my role as the teacher to make sure we get on all right, but I can't always do it.
(A) F: Really? You feel it's your role as the teacher to make sure we get on all right and you can always do it? Wow, you are a good math teacher! (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: So, you mean as an English teacher, you feel it's not your role as the teacher to make sure we get on all right? (D) F: OK, I see. And I think you are a good English teacher.
Example Output: D

Example Input: F: What do you usually do on Sundays? ,M: I go shopping in the morning, work in the garden in the afternoon and read the newspaper after dinner.
(A) F: Oh, you usually go shopping on Sunday afternoons. (B) F: Oh, you usually work in the garden on Sunday afternoons. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Oh, you usually read the newspaper on Sunday afternoons.
Example Output: B

Example Input: F: Thank goodness, it wasn't as hard as I thought. ,M: Well, it was completely within my expectation. ,F: But don't you think the answers weren't clear for the last few multiple choice questions? I just guessed. ,M: I totally agree. The teacher set a few obstacles for us on purpose. Otherwise, everyone would get full marks.
(A) F: I agree. The first multiple-choice questions are quite difficult. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: I agree. The essay is quite difficult. (D) F: I agree. The imitation writing is quite difficult.
Example Output:
B