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.

Ex Input:
M: Mom, I want a puppy. ,F: Let me think about it. ,M: Why do you have to think about it? ,F: Because puppies cost money. ,M: No, they don't. Puppies are free. ,F: Yes, but puppies need their shots. ,M: Shots for what? ,F: So they won't get sick, just like why you get your shots. ,M: I hate shots. ,F: And puppies have to eat. Food costs money. ,M: No problem. I'll give him some food off my plate. ,F: Oh, no, you won't. Puppies don't eat vegetables.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: I can take good care of the puppy. It won't get sick and don't need to buy shots. (C) M: Yes, I promise I can build a house for the puppy. They won't cost any. (D) M: That's great! Puppies eat vegetables, so I can give the puppy some of my food.

Ex Output:
A


Ex Input:
F: Excuse me. I will stay in the city for a few days and I'd like to know what's on. ,M: Well, there's a teahouse at the Capital Theater. They say the play is very good. ,F: When is it on exactly? ,M: Every night except Sunday. Hold on...Yes, the show will run until the beginning of July. It begins at 8 o'clock and lasts more than 2and a half hours, finishing at 10:45. Here, take this flyer. It tells you more.
(A) F: I've never thought before that the old house is yours. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: Thank you for telling me the information about the play. (D) F: The famous theater is mine, you don' t know it!

Ex Output:
C


Ex Input:
F: Have you heard there's a car accident just in the opposite of the street? ,M: No. I have just returned from London.
(A) F: You went to Washington? Never mind. Let me tell you some details of the accident. (B) F: London? For business?Anyway, you didn't see the helicopter crush over the street. (C) F: Oh, you just came back from London. No wonder you know nothing about the accident. (D) F: I’m sorry, I didn’t understand. Could you repeat a little louder, please?

Ex Output:

C