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: Please be careful with the collar because it is made of fur. ,F: Sure, Sir. We will dry clean it.
(A) M: I would like some medicine for my stomachache. (B) M: I am really sorry, I did not catch that. Would you slow down, please? (C) M: This is my first time coming to your laundry. Please take good care of my coat. (D) M: What kinds of shelves do you have in your furniture shop?

Ex Output:
C


Ex Input:
M: Hi Jenny, I'm calling to ask you if you want to go to the park with us tomorrow. ,F: I'd like to but I cannot. I'm leaving for New York tomorrow. ,M: Are you going there to see a friend? ,F: No, I'm going there for work. ,M: Will you go by train or plane? ,F: Neither. David is driving to New York tomorrow. He'll give me a lift. ,M: That will be a long trip. ,F: Yes, but Lisa will go with us too. We can talk and listen to music on the way. ,M: How long are you staying for? ,F: Just 5 days. Oh, I have to pack now. I'll call you when I come back. ,M: OK. Bye.
(A) F: I have to hang out because I have to prepare my luggage. (B) F: I am afraid I did not quite catch what you were saying. Please repeat it. (C) F: I've never expected to meet you in a park. (D) F: Wait for my call!

Ex Output:
A


Ex Input:
F: Hi, Ted. I have some good news for you. ,M: What is it? ,F: There will be a writing competition in our school next week. Since you are good at writing, you might be interested. ,M: What is the topic for this competition? ,F: My ideal city. You can write about a city that you want it to be. ,M: That's great. I've thought about this for a long time. I want my ideal city to be neither too big nor too small. I hope it's a green city. ,F: What do you mean by a green city? Do you want to plant a lot of trees in the city? ,M: Green here means environmentally friendly. I want people in the city to use clean energy. ,F: Now I see. Do you know what the prize for this year's competition is? You may not believe it. ,M: Is it a big sum of money? ,F: No, it's a two week holiday to some European countries.
(A) M: Oh my god! The price is a one week trip to Asia? (B) M: I am afraid I did not quite catch what you were saying. Please repeat it. (C) M: What? The price is a one week trip to Europe? (D) M: Dad, I will try to get the prize to get a big sum of money.

Ex Output:

B