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: M: By the way, miss. Where is the toilet? ,F: The toilet is there, but I'm afraid it's full at the moment. ,M: What? Oh, I think I have to wait. Thank you very much for your help, miss.
(A) F: No problem. Since you have known where the toilet is, you'll have to wait. (B) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) F: I don't know where the toilet is, but you're booking a table, aren't you? (D) F: I don't know where the toilet is, but you're waiting for me, aren't you?

Output: A


Input: Consider 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?

Output: C


Input: Consider Input: F: You look pretty fit. You must be a sports fan! ,M: Well, I often spend time jogging with my son in the morning, and I sometimes play basketball with my friends. But my favorite sport is still swimming.
(A) F: I am really sorry, I did not catch that. Would you slow down, please? (B) F: Yeah, swimming is a good choice for favorite sport. (C) F: I know that you hate swimming. (D) F: I know that basketball is your favorite sport. I often see you playing basketball with your son in the morning.


Output: B