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: Is everything ready for the meeting? ,F: Almost. I'm done with the tables and chairs and I've set up microphones as well. The only thing left to do is put the cups on the table.
(A) M: Hurry up and set the cups! (B) M: You have to set up the tables and chairs now. (C) M: You have put the cups in place. Then it's time to mop the floor. (D) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:
A


Ex Input:
F: Today, I'd like to find out what people are doing to keep healthy. Excuse me, you look so good. What do you do to keep in shape? ,M: Nothing special. I ride my bike to work every day except when it rains. I love to eat out, so I eat whenever I want. I just try not to eat after 9 at night.
(A) F: I know that you go to work by cycling. How long do you cycle every day to keep fit? (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: So, you keep fit by doing different sports. Why don't you ride a bike? (D) F: Why do you never ride a bike? It is a good way to keep healthy.

Ex Output:
A


Ex Input:
M: Good morning, I'd like to buy a cake. ,F: No problem sir, we have many cakes here, what size would you like? ,M: Well, it's for my coworker's birthday, there are 14 people in the office. ,F: Well, this cake feeds 12 people and this one behind it feeds 20. ,M: I'll take the bigger one, it's better to have too much than not enough. ,F: Sounds good, do you want it delivered? ,M: Yes. Can you deliver it to my office? The birthday party will be after work at a park near the office.
(A) F: Sure. Hope you enjoy the party in the park. Have a nice day. (B) F: No problem. I'll send the cake to the park you asked me to do. (C) F: Sure, hope you have fun during the party at the office. (D) F: Just a minute! I do not quite follow what you are saying, would you mind repeating that?

Ex Output:

A