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: Uh, where do you think you're going? ,M: We're going to the new club, right? Oh, Man. I can't wait to get out on the dance floor and... ,F: Ha! You're not seriously going out like that, are you? ,M: Hey, you're just messing around with me, aren't you? Yeah, I know I look good. Just let me get my jacket. ,F: Jason, you look ridiculous. Your jeans are too tight, and they look like they were washed too many times, back in the 80s. And why are you wearing that funny hat? ,M: What? You've never heard of the New York Yankees? ,F: I'm a huge baseball fan. I know who the Yankees are, but why are you wearing that hat backwards? What are you 10 years old? And that jacket looks like a dead animal.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: I know you are crazy about baseball, but let's go to my parent's home first, OK? (C) M: Yes, I am crazy about baseball, too. Next time let's watch a baseball game together. (D) M: You are really crazy about fancy clothing brands. How about the Clippers hat I am wearing?

Ex Output:
C


Ex Input:
M: Is there a city where it's always warm? ,F: Yes, there are many cities where it's almost always warm. San Diego for example. ,M: Are there any other cities where it's always hot? ,F: Yes, there are quite a few. Most of the cities in the southern part of the United States are hot all year.
(A) M: I see. Most cities in the western part of China are always hot. (B) M: I know that cities in the southern part of China is always hot. (C) M: Excuse me, could you repeat the question? (D) M: It seems that most cities in the southern part are hot all year around.

Ex Output:
D


Ex Input:
F: Oh, Steven, have you heard the news? ,M: You mean the floods? Yes, I'm just reading the paper. It is reported that there was a heavy rain in some places in the south. ,F: I got the news on the radio while driving to the office just now. The news says it was raining hard for several days and the streets in many cities were covered with deep water. ,M: What's horrible is that the rain water flooded into many houses, many families could not run away in time and had to wait for people to help them from danger. ,F: The broadcast says soldiers arrived in time, set them free and helped settle them down in safe places, and many volunteers also took part in it.
(A) M: Soldiers will help the families rebuild their houses after this big earthquake. (B) M: Usually in the cold winter, soldiers will offer free food for poor families. (C) M: After the big earthquake, the people will be taken to safe places by the soldiers. (D) M: I am sorry. You spoke so rapidly that I did not catch the meaning of what you said. Could you repeat that?

Ex Output:

D