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: F: Where are you going for your birthday tomorrow? ,M: I have booked a room in the Blue Bay Restaurant. ,F: You mean the Blue Sky Restaurant? ,M: No, that's the Blue Bay, just across from the Blue Ocean Restaurant.
(A) F: The Blue Ocean Restaurant is opposite the Blue Bay Restaurant, right? (B) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) F: You have booked a room in the Blue Ocean Restaurant? It is the one which is beside the Blue Sky Restaurant, right? (D) F: You have booked a room in the Blue Ocean Restaurant? It is the one which is opposite the Blue Bay Restaurant, right?

Output: A


Input: Consider Input: F: Facebook just reported that everyone in the world is only separated by an average number of 3.5 people. ,M: Wow, that doesn't seem possible! I thought the number was supposed to be 6. ,F: That's what scientists originally thought. I think we're all connected even more than Facebook reported actually. The report only included connections between those with a Facebook account.
(A) M: Facebook just reported that everyone in the world is only separated by an average number of 7 people but they don't like to share their lives. (B) M: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (C) M: You think people in the world are closely connected. (D) M: Facebook just reported that everyone in the world is only separated by an average number of 7 people because scientists don't understand social connection.


Output: C