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: Sunshine Hotel. Good morning, Barbara speaking. ,M: Hello. I'd like to make a booking please. I'm on a business trip, so I need a single room. ,F: OK, your name please. ,M: John Griffin. That's JOHNGRIFFIN. ,F: OK, I've got that down. Wait a minute. We already have your name. You've been here before, haven't you? Or it must be someone with the same name. ,M: I've stayed with you twice before.
(A) F: No wonder we have your name. Thanks for choosing our hotel again. (B) F: Oh, you used to work at this hotel? Glad to serve you this time. (C) F: Your boss has booked a room for you, Sam, so we have your name. (D) F: I didn’t hear you. Please could you tell me again?

Output: A


Input: Consider Input: M: Hi, miss. Could you tell me where Mr. Johnson's office is? ,F: Well, his office is on the twenty second floor, but the lift only goes to the eighteenth floor. So you'll have to walk the rest of the way. ,M: Thank you very much.
(A) F: You have to walk the rest three floors to get Mr. Johnson's office. His office is on the twenty second floor. (B) F: You have to walk the rest four floors to get Mr. Johnson's office. His office is on the twenty second floor. (C) F: You have to walk the rest three floors to get Mr. Johnson's office. His office is on the twenty third floor. (D) F: Excuse me, could you repeat the question?

Output: B


Input: Consider Input: F: Thanks for meeting with me today. ,M: Well. We're trying to finish interviews today. We need a roommate by the first of next month. ,F: OK. So how many of you live here? ,M: There are 3 of us. Mary and Rob are both nursing students. I graduated last year and I'm working in a bank. ,F: Oh, good. I'm a student as well. ,M: You don't smoke, do you? Mary refuses to live with smokers. Our last roommate claimed that she never smoked, but sometimes she would and it upset Mary a lot.
(A) F: Oh, your last roommate never smoked. That was nice. (B) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) F: So she lied and she sometimes smoke, didn't she? (D) F: Your last roommate smoked frequently? That was bad.


Output: C