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: Hello, I'd like to reserve a table for 6:00 tonight. ,F: Is there any place you would prefer to sit in? We do have a smoking section. ,M: Oh, would it be possible to reserve a table next to the window?
(A) F: Two men are arguing in the smoking section over there. I'd like join them. (B) F: I didn’t hear you. Please could you tell me again? (C) F: You sat too far from the window to see that there was an accident outside. (D) F: Sorry, all the tables near the window are booked up.

Output: D


Input: Consider Input: M: Hey, Jenny, what's the matter? ,F: I was just online in a chat room with three Germans. They used a lot of idioms on purpose and I didn't understand, so I asked them what they meant. Then they started to ignore me and after a while I started to feel stupid. ,M: Oh, you shouldn't. Your German is really good. ,F: But it seems they were using their German ability to have fun with each other. They didn't really want to include me. ,M: Well, some people are like that. That's all. You can't let them bother you. One nice thing about chat room is that you can leave and go to another one.
(A) F: I agree with you. The advantage of the chat room is that you can make more friends. But you can't enter or leave freely. (B) F: I agree with you. The advantage of the chat room is that you can express yourself freely. But you can't enter or leave freely. (C) F: I agree with you. The disadvantage of the chat room is that you can enter and leave freely. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Output: D


Input: Consider Input: M: Hello, this is Charles Richards from channel 7 news. And we're down here, eh, at the city mall, interviewing people on how they celebrate Christmas. And, hi, young lady, what is your name? ,F: Elizabeth Carter. ,M: And, Elizabeth, how does your family celebrate Christmas? ,F: We go skiing and we go over to my grandparents' house to have dinner with them. ,M: And does your family eat anything particular for Christmas? ,F: Turkey.
(A) M: Do you want your turkey roasted or fried, ma'am? I'll tell our chef. (B) M: Thank you for answering the questions. Wish you a happy Christmas. (C) M: Great, darling. You will be able to buy my book in Turkish book store. (D) M: I’m sorry, I don’t understand. Could you say it again?


Output: B