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.

Input: Consider Input: F: I think spring is finally here. ,M: Yep, it sure seems like it. However, it's still very cold at night. ,F: Yes, they turned the heat off 6 days ago. It's absolutely freezing in my apartment at night. I have to turn on the air conditioner to blow hot air in order to warm things up a little. ,M: Well, and if you are outside and is a bit of a breeze. It feels cold quickly. ,F: It sure does. I think I'm going to follow my cats example and just sit in the sum that shining in through the windows.
(A) M: I'm glad to talk about the environment with you. (B) M: I'm glad to talk about this apartment with you. (C) M: I’m sorry, I don’t understand. Could you say it again? (D) M: I'm glad to talk about the weather with your mother.

Output: C


Input: Consider Input: F: Good afternoon, sir. Can I help you? ,M: Yes, we need a room for the night. Have you got any rooms available? ,F: Yes. What do you like a single room or a double room? ,M: A double room. ,F: How many nights would you like to stay? ,M: We're only staying overnight. We'll check out tomorrow morning.How much is it? ,F: It's $68 per night.
(A) M: As I'll stay for two nights, it's $136 in total. (B) M: Then I need to pay $68 for the single room. (C) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (D) M: So, $204 a night for my single room. Alright.

Output: C


Input: Consider Input: F: Phil, you said you're a teacher. And did you study education in college? ,M: No, I studied construction. Actually I worked as a designer when I was younger. That was a really great job. But I kind of came into teaching just to try something different. ,F: Do you like electronic products? ,M: Yeah, I do. My favorite is my laptop. I think everyone should have a laptop now because it's so useful. I can watch movies, download music from the Internet and most important, I can write reports on my students on my laptop. It's just amazing what you can do today.
(A) F: Excuse me, could you repeat the question? (B) F: So you mainly download musics with your laptop even if you don't have one. (C) F: So you mainly watch movies with your laptop even if you don't have one. (D) F: So you mainly write reports with your laptop even if you don't like laptop at all.


Output: A