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: Lily, I can't catch up with the English teacher very well. ,F: What's the problem? ,M: You are quite good at English. Can you help me with it? ,F: Sure, but you'd better take an additional course in some English schools. ,M: English schools? What's that? ,F: This kind of school is good at helping people to improve their English. ,M: Is that different from our school's English course? ,F: Yes. Before you start your training, they will test you on your English first. ,M: Then? ,F: Then they will recommend you the class that suits you. ,M: Really? How good can my English get there? ,F: You see how well I am doing. I studied there, too. ,M: Alright. I'll tell my father about it.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: Yes. I think you should go to the English schools. It's really helpful. (C) F: Why are you going to the English school? Although it's helpful to me, it doesn't suit you. (D) F: I don't know you but I find the additional course in English schools is easy but not helpful.
Example Output: B

Example Input: F: That looks nice. I'll have a cheeseburger and fries. ,M: Anything to drink? ,F: A chocolate milkshake. ,M: That'll be $2.75.
(A) F: Here it is, and you need to give me $2.65 change. (B) F: OK, here's $2.75 for the food and drink. (C) F: $2.75 for a milkshake? That's expensive. (D) F: I didn't hear you. Please could you tell me again?
Example Output: B

Example Input: M: Hi, Mary. ,F: Oh, hi. Sorry, but you are? ,M: Peter, Peter Parker from your math class. ,F: Oh, Peter, how are you? ,M: Fine, thanks. Actually I'm working on our assignment and I can't seem to figure out the last problem. And the teaching assistant is out of town. So I was wondering if you could help me. ,F: You mean like now? I have swimming practice in a few minutes. And then I have to study for a biology exam. I could meet you right after dinner.
(A) M: I know our assistant is in her office but I don't like her. (B) M: You are so busy! I am working on the exam and I have a few questions, but our assistant is not present right now. (C) M: You are so busy! It's too bad that our assistant is not present right now. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?
Example Output:
C