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: When will I get the decoration materials? ,M: Usually, we make the delivery every Tuesday afternoon. ,F: Well, I won't be at home then. I usually work in the afternoon, but you can put the materials in the downstairs bookstore. ,M: No problem. And what is your address? ,F: I live on the thirty-fourth Golden Street, Portland. ,M: OK, I have got all the information. ,F: And how much should I pay? ,M: With shipping charges, your total fare will be $96. Do you want to pay in cash or? ,F: I don't have enough cash now. Could I use Wechat Pay to give you the money? ,M: Certainly.
(A) F: I'll use Wechat Pay to give you the money. (B) F: I like to pay by cheque. (C) F: Excuse me, could you repeat the question? (D) F: Although it's convenient to pay by Wechat, I prefer to use cash.
Example Output: A

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: Ben, come here! I'm having trouble picking out a dress for tonight. How about this silver one? ,M: I don't think you need to wear something about fancy.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Uh, I'm still selecting a dress for tomorrow's party. (C) F: All right. I will select another dress. (D) F: I wanna bargain with you. I can't understand why you think I need to wear something about fancy.
Example Output:
C