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: Hello, Betty! It's me, Tim! Am I calling at a bad time? ,F: No, not really. ,M: I have invited some of my friends to dinner at my house this evening. I thought maybe you'd like to come too. ,F: Well, that sounds good. But I'm afraid I've got to do some reading for my English course at home. ,M: Today is Friday. You've got to relax and enjoy yourself on the weekend.Y
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: You are right. I need to take some exercise. (C) F: I don't like to have fun. (D) F: You are right. You should have fun.
Example Output: C

Example Input: F: Hello, Richard. Nice to meet you. ,M: Hi, Barbara. Haven't seen you for ages! ,F: I've just come back from Canada. I was helping in a research program and I stayed in a town near Toronto for 2 months. ,M: Oh, how nice! Did your program go smoothly? ,F: Yes, and I'm going back in March to continue. ,M: Did you enjoy your stay in Canada? ,F: Oh, yes. They were very nice people. I mean, the people I worked with, very friendly and very helpful. ,M: Did you travel a lot there? ,F: No, we were very busy trying to finish the first part before Christmas. But my friends took me to quite a few parties and I never forget the big meal on Thanksgiving Day, and the fun we had on Boxing Day.
(A) M: Ok, I see. You didn't enjoy your stay in Canada and the research program will be finished in March. (B) M: OK, I see. You really traveled a lot there and the research program was finished before Christmas. (C) M: So, part of the research program has been finished and your friends took you to quite a few parties? (D) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please?
Example Output: C

Example Input: F: Now Mr.Snow, what can you remember about the attack? ,M: Well, I was working late yesterday evening. ,F: What time did you leave your office? ,M: About 9:15? ,F: Are you sure? ,M: Yes, officer. I looked at my watch. ,F: What did you do then? ,M: Well, I locked the door and I was walking to my car when somebody hit me on the head. ,F: Did you see the attacker? ,M: No, he was wearing a stocking over his head. ,F: Tell me Mr.Snow, how did you break your leg? ,M: Well, when the doctors were putting me into the car, they dropped me.
(A) F: Honey, I'll call the police. (B) F: My workmate, don't worry. I'll call the police. (C) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) F: Don't worry.  As a policewoman, I'll solve your problem.
Example Output:
D