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: 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.

Output: D


Input: Consider Input: M: I would like to make a hotel reservation. ,F: What day will you arrive? ,M: I will arrive on May fourteenth. ,F: How long will you stay? ,M: I need the room for 3 nights.
(A) F: So, you are gonna leave Shanghai on May 14th. (B) F: I am really sorry, I did not catch that. Would you slow down, please? (C) F: On May 16th, you will go to the United States, right? (D) F: Sir, you can check in our hotel on May 17th.

Output: B


Input: Consider Input: M: Good afternoon, I would like to speak with the manager, please. ,F: Why? What's your problem? ,M: Well, I just picked up a TV at your store yesterday afternoon. And when I was taking it out of the car. It sort of accidentally fell. It looks ok. But the picture is pretty unclear. Do you think I can have someone look at it or get it changed? ,F: Ok, I will talk to the manager about it right now, please wait a moment. ,M: Ok, thank you. ,F: Well, we can have someone repair it for you, but as it was caused by you. I'm afraid you have to pay for half of the repair cost and we will pay the other half
(A) M: Thanks for replacing the TV for me. (B) M: Just a minute! I do not quite follow what you are saying, would you mind repeating that? (C) M: Why should I pay half of the repair cost? It wasn't caused by me. (D) M: I am so glad I only need to pay half of the repair cost. Thank you.


Output: D