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: Shirly, I'm working on our class diary for next week. Would you please give me the information? ,F: Sure. First is the deadline for after class activity application. The deadline is next Monday, June fourteenth. ,M: Monday, June fourteenth. ,F: Yes, then on Wednesday, that's the sixteenth, all classmates have to hand in three student photos. ,M: Three student photos. ,F: OK. Next is the basketball club meeting. It's on the seventeenth. ,M: The basketball club meeting on the seventeenth, and where will they meet? ,F: At the stadium. ,M: And at what time? ,F: From 12:45 to 1:30 PM. ,M: Right. ,F: Then the last thing is about filling in a form with up-to-date personal data. Our class needs to go to the computer room during the morning break on the eighteenth. ,M: OK. The morning break on the eighteenth. ,F: Ah, wait a minute. I made a mistake. It should be during the lunch break.
(A) M: It's OK. You just made a mistake about the place. (B) M: It's fine. You are wrong about the event on the eighteenth. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: It's fine. You are just wrong about the time of filling in the form.

Output: D


Input: Consider Input: F: Would you have a look at this television set, please? ,M: Yes, of course. How long have you had it? ,F: About 10 years. Can you tell me how much it'll cost to repair it? ,M: Well, it'll cost about $500. It's cheaper to buy a new one.
(A) F: You suggest me to sell it at once because it doesn't have any problems, does it? (B) F: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that? (C) F: Why do you suggest me to buy a new one? It doesn't have any problems. (D) F: So you suggest me to buy a new one, right?

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