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: Good morning, sir. How can I help you? ,M: I'd like to rent a car for the weekend.
(A) F: OK. What kind of car would you like to reserve this Friday? (B) F: Excuse me, could you repeat the question? (C) F: OK. What kind of room would you like to book this Friday? (D) F: OK. What kind of car would you like to rent for this Monday?

Ex Output:
B


Ex Input:
M: Concorde college, how can I help you? ,F: Hello, would you put me through to Miss O'Shea? It's Allison Clark calling. ,M: I'm afraid she doesn't seem to be available at the moment, would you like to leave a message? ,F: Yes, please, my name is Allison Clark. I've got an appointment with her at 1:00 tomorrow afternoon. But I'm wondering whether I can change it to 3:00 o'clock. I very much appreciated if she could let me know by noon tomorrow. My mobile number is 07720882704.
(A) M: Since you want to get the reply by 1:00 pm tomorrow, why don't you want to leave a message? (B) M: Excuse me, could you repeat the question? (C) M: Ok, I got it , you want to get the reply by noon tomorrow, right? (D) M: Although you want to get the reply by 3:00 pm tomorrow, you have not got an appointment with her.

Ex Output:

C