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: Good evening. Do you have any rooms available at the moment? ,F: Yes, we do. How many nights do you want to stay? ,M: 4. If it's possible. ,F: OK, let me see. I'm sorry, sir. I'm afraid we can only give you a room for 2 nights. It's a very busy period right now. We're almost fully booked these days. ,M: Alright. I'll just stay for tonight then. It's too late to go to other hotels now. I'll search for another one tomorrow.
(A) F: Thanks for your understanding, I'll prepare a room for you to stay one night. (B) F: Sir, we don't have a room for 2 nights, you can only stay here for one night. (C) F: Are you sure you'll stay for only two nights? We still have many vacancies. (D) F: I’m sorry, I didn’t catch that. Would you mind speaking more slowly?

Ex Output:
A


Ex Input:
F: I hope you can come to the party on Saturday. ,M: I didn't know I was invited. ,F: Sure you are, everyone in our office is invited.
(A) M: Thank you, teacher. I am sure our classmates will attend the lecture on Saturday. (B) M: I’m sorry, I didn’t understand. Could you repeat a little louder, please? (C) M: Why you didn't invite our parents to the concert on Saturday? (D) M: Oh, great. So I will meet our workmates there.

Ex Output:
D


Ex Input:
M: Liz, congratulations on your anniversary! Are you looking forward to your trip to Hawaii with your husband? ,F: Yes, of course. We'll be there for a whole week. I was excited to eat seafood and go hiking, but I'm actually more interested in relaxing by the water all day.
(A) M: Well, I like seafood the most. (B) M: As for me, I have no plan for this weekend. (C) M: I am really sorry, I did not catch that. Would you slow down, please? (D) M: You must have an interesting trip with your parents.

Ex Output:

C