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: Hello, Clark Cycle here. How can I help you? ,F: Oh, hello. I saw your ad in the local paper and I'm wondering what kinds of bikes you have, and what your prices are like? ,M: Well, we hire out 3 main types of machine, electric touring and mountain bikes. Are you likely to be riding off-road, do you think? ,F: No, I'll probably be sticking to roads. So, we're touring bike would be best. ,M: Right, well the rate will be 50 pounds for a week or 14 pounds per day. ,F: So it's a lot cheaper to rent by the week. Is there anything else I'd have to pay? ,M: Well, for another 5 pounds, we can supply lightweight bags. There is no charge for things like a pump or for a lock. It's a good strong one, just make sure you don't lose the key.
(A) F: Yeah, it's not a good strong one and cannot make sure I don't lose the key. And you mean the lock needs extra charge, right? (B) F: Really? For another 4 pounds, you can supply lightweight bags for me? So, the bag needs extra charge? (C) F: For another 5 pounds, you can supply lightweight bags for me? So, the bag needs extra charge? (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?
Example Output: C

Example Input: F: Hello, Richard. Nice to meet you. ,M: Hi, Barbara. Haven't seen you for ages! ,F: I've just come back from Canada. I was helping in a research program and I stayed in a town near Toronto for 2 months. ,M: Oh, how nice! Did your program go smoothly? ,F: Yes, and I'm going back in March to continue. ,M: Did you enjoy your stay in Canada? ,F: Oh, yes. They were very nice people. I mean, the people I worked with, very friendly and very helpful. ,M: Did you travel a lot there? ,F: No, we were very busy trying to finish the first part before Christmas. But my friends took me to quite a few parties and I never forget the big meal on Thanksgiving Day, and the fun we had on Boxing Day. ,M: What Day? ,F: Boxing Day. The day following Christmas Day.
(A) M: Really? The day before Christmas Day? So, the Boxing Day falls on December 24? (B) M: Excuse me, could you repeat the question? (C) M: Really? The day following Christmas Day, so the Boxing Day falls on December 26? (D) M: Really? The day following Thanksgiving Day, so the Boxing Day falls on December 26?
Example Output: C

Example Input: F: What do you think of yesterday's lecture? ,M: The topic was interesting, but the lecture was much more difficult to follow than I had expected.
(A) F: I agree with you the presentation it's interesting and easy to take notes. (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: The lecture was too difficult for you. No wonder you thought it was boring. (D) F: You told me how difficult the lecture could be, and you were so right.
Example Output:
B