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.

Input: Consider 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.

Output: D


Input: Consider Input: M: Call your mom and tell her that we will be home later than expected. ,F: Um, we are in the tunnel now and the mobile phones' signals are dead.
(A) M: How do you know that your mom is in the area with poor signal reception? We are not in the tunnel now. (B) M: Can't you make a phone to your mom now, telling her that we will be home earlier? (C) M: Excuse me, could you repeat the question? (D) M: Do you think we should tell mom that someone is dead, even though the mobile phones' signals are good?

Output: C


Input: Consider Input: M: Good afternoon, Madam. ,F: Good afternoon, Praveen. What can I do for you? ,M: I need to get some information on animal cells. ,F: What is it for, Praveen? ,M: I have to make a presentation of animal cells in the discussion next week. ,F: That's fine. ,M: Could you tell me where I can get it, Madam? ,F: Look at that last cupboard. It's marked reference. ,M: Do you mean the one next to the literature cupboard? ,F: Exactly. There are a number of books in that cupboard. You will find children's science book there. That's the right book for your reference. ,M: Oh, I see. May I borrow it for a day or 2? ,F: Sorry. The reference books are not for lending.
(A) M: So reference books can't be kept for more than 2 days, right? I will keep it for only one day. (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: OK. I know that literature books can't be lent out. I will read it right here. (D) M: OK. I know that reference books can't be lent out. I will read it right here.


Output: D