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:
F: Batina and Simon are getting married next month. ,M: Really? How do you know? Have you seen them recently? ,F: Not for ages. I got Batina's call this afternoon. ,M: That's great! I hope will get invitations to the wedding soon.
(A) F: Don't be disappointed. They must have forgot to call us. (B) F: Don't be depressed. Batina is going to be happy with Simon and you will find someone else. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: Calm down. Don't be so excited. They won't hold their wedding until next year.

Ex Output:
C


Ex Input:
M: It's too hot. I'm not sure I can walk anymore. ,F: Oh, come on, you're not so old. I want to go to Monkey Island. ,M: Great. Let's go. I love monkeys. That's why I started dating with you. ,F: You're very funny today. As for me, I've always loved elephants and bears. I like their smell. Maybe that's why I chose you. ,M: Hahaha, I wish we could get some iced coffee somewhere. ,F: Yes, then I could buy you a coffee. ,M: Thanks. Hey, look at that polar bear. ,F: Oh, terrible. I can't believe they have him out in the sun like this. Isn't it too hot?
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: I agree with you. The polar bear is in a pool. (C) M: I agree with you. The polar bear should be out in the sun. (D) M: I agree with you. The polar bear should not be out in the sun.

Ex Output:
D


Ex Input:
F: May I leave the office early today? I have to pick up my parents at the airport. ,M: But you're supposed to meet Mister Black at 4:00 o'clock, aren't you? Can't you ask someone else to go to the airport?
(A) F: I didn’t hear you. Please could you tell me again? (B) F: Why can't I leave early? I'm going to meet my parents at the railway station. (C) F: So you mean I can't leave early today, right? (D) F: You mean Mr. Black won't come at four o'clock? Then I can pick up my parents at the train station.

Ex Output:

C