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.

Example Input: M: Hey Julie, I just got a cool new game. Would you like to play it with me in my house? ,F: Sure Jack. What's the game? ,M: It's a game where you can create your own character. You can choose how you look and dress. ,F: Interesting, I've never played something like that, it sounds really different. ,M: It is, come on, I can't wait to show you. ,F: Ok, but I can just stay for 2 hours, for I will have to pick up my dad at the airport at six.
(A) M: Let's go to the airport. (B) M: Let's play the video games together. (C) M: I never play this kind of video game (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output: B

Example Input: F: Hi, I have a reservation under the name Sally. ,M: Hi, Sally, a room for 12 people at 7:30 PM. Is that right? ,F: Yes, we've got two more people coming, though. Is that OK?
(A) M: OK. That's 12 people in total, that's fine. (B) M: Oh, you'll have 16 people having dinner together. The room will fit. (C) M: I didn’t hear you. Please could you tell me again? (D) M: So you're a group of 14 people. No problem. The room is big enough.
Example Output: D

Example Input: M: I've been waiting for 3 weeks for someone to return Harry Potter to the library. I'm getting so impatient. ,F: Why don't you just buy your own copy online?
(A) M: You are right. I will buy a book online. (B) M: All right. I will return a book to the library, if someone return Harry Potter to me. (C) M: I am afraid I did not quite catch what you were saying. Please repeat it. (D) M: I don't think so. I still want to borrow a book. But I don't have patience to wait for that.
Example Output:
D