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: Was yesterday's meeting held in room 305? ,M: 305 was occupied and the computer in 306 was out of order, so we moved to 307.
(A) F: Since the computer in room 305 was out of order, why was the meeting held in room 305? (B) F: Since room 306 was occupied, why was the meeting still held in room 306? (C) F: Because room 306 is occupied, the meeting was held in room 307, right? (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Output: D


Input: Consider Input: M: Good evening. Do you have any rooms available at the moment? ,F: Yes, we do. How many nights do you want to stay? ,M: 4. If it's possible. ,F: OK, let me see. I'm sorry, sir. I'm afraid we can only give you a room for 2 nights. It's a very busy period right now. We're almost fully booked these days. ,M: Alright. I'll just stay for tonight then. It's too late to go to other hotels now. I'll search for another one tomorrow.
(A) F: Thanks for your understanding, I'll prepare a room for you to stay one night. (B) F: Sir, we don't have a room for 2 nights, you can only stay here for one night. (C) F: Are you sure you'll stay for only two nights? We still have many vacancies. (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Output: A


Input: Consider Input: F: Would you hurry up? We're late. ,M: I know, I'm coming. ,F: Our flight leaves in less than 2 hours. Come on. ,M: But I can't find my wallet. ,F: If you hadn't overslept, we wouldn't be so stressed out right now. ,M: I'm sorry. I didn't hear my alarm. It's not like I did it on purpose. It's not my fault.
(A) F: Excuse me, could you repeat the question? (B) F: No need to hurry, we still have 5 hours! Just change your shoes! (C) F: Our train is leaving soon. Pick your broken alarm up and let's go! (D) F: Not your fault? How can you get up so late? Now we'll miss the train.


Output: A