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: Why did you come to school by bike today? Is there anything wrong with your father's car? ,M: No, I just want to do what I can to protect the environment. ,F: That's a wonderful idea. I'll stop taking my father's car, too. ,M: That's great.
(A) F: Although your father's car broke down, we are students and this is what we should do. (B) F: As students, this is what we should do. (C) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (D) F: Since our son's car broke down, we should fix it as parents.

Output: B


Input: Consider Input: M: I need to go to the bank. ,F: But they're all close today? ,M: Closed? Are you kidding? What is it? Some kind of holiday today?
(A) F: Hey, calm down. Just joking, The post office is right behind you. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: Hey, calm down. Just joking, there's no bank in the town. (D) F: Hey, calm down. Just joking, which bank do you want to go?

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. ,F: That's an excellent idea, sir. And thank you for your understanding. So a single room for one night. Here is your key card and your room is on the seventh floor. ,M: Thanks. By the way, is there a swimming pool in the hotel? ,F: Yes, there is. It's on the fifteenth floor, but it closes at 10:00 PM. So it was closed 45 minutes ago already. ,M: That's too bad. ,F: We do have a gym that opens 24 hours. It's on the fourteenth floor. ,M: Great, thanks for letting me know. ,F: You're welcome, sir. Oh, before I forget, breakfast deserved on the second floor from 6:30 to 10:00 in the morning.
(A) M: I'm happy to know your breakfast is good, and I'll eat it forth since I'll stay here four nights. (B) M: The breakfast is too expensive. I'll stay in the gym on the fifteenth floor tomorrow morning. (C) M: OK, the breakfast is on the second floor from 6:30 to 8:00, and the gym is on the third floor. (D) M: I am really sorry, I did not catch that. Would you slow down, please?


Output: D