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: Do you know next Wednesday is Halloween? ,F: No, I don't. What do you do on Halloween? We don't have that holiday in Russia. ,M: Well, it's a day when kids dress up in masks and costumes. They knock on people's doors and ask for candy by saying "trick-or-treat". ,F: Sounds interesting. ,M: But it's not just for kids. Lots of people have costume parties. Hey, my friend Peter is having a party. Would you like to go? ,F: Sure, I'd love to.
(A) M: Now that you're going to ask for candy door to door. Why don't you go to Peter's party? (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: Now that you will play the "trick-or-treat" game, why don't you go to Peter's party? (D) M: You will join in the costume party because you know that next Wednesday is Halloween, right?

Ex Output:
B


Ex Input:
F: Have you completed the arrangements for the trip yet, Brian? ,M: I've made the reservations, but there are still some details to make sure. Your plane leaves at 8:30, so I'll pick you up at your house at 6:00. ,F: 6:00? I'll have to get up in the middle of the night! ,M: I'm sorry. You have to check in by 7:00 and I think there will probably be a long queue. ,F: Oh, very well. What about my meetings? ,M: First, the Managing Director is coming to the airport to meet you.
(A) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (B) F: Good. I'm glad that the Managing Director is coming to the train station to meet me. (C) F: Good. I can't wait to see my doctor at the train station. (D) F: Good. I can't wait to see the secretary at the train station.

Ex Output:
A


Ex Input:
F: I can't sleep. ,M: What's wrong dear? ,F: I don't know. I just can't sleep. ,M: Is there anything bothering you? ,F: Maybe. I have a test on Friday and I'm worried I won't get a good grade. ,M: Well. You have a few days left the study. Is there anything I can do to help? ,F: Yeah. Can you help me understand some of the ideas I just can't get? ,M: Sure. we can start when you get home from school. For now though, close your eyes and think about nicer things. Then you'll be ready to learn tomorrow.
(A) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly? (B) F: Thanks dad, I'll call you tomorrow after school. (C) F: I agree, we should do this all night tonight. (D) F: I agree, let's do this on Friday so that I'm better prepared for the exam on next Monday.

Ex Output:

B