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.

Example 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.
Example Output: D

Example Input: M: My parents give me 300 yuan each month. ,F: 300 Yuan? That's 150 yuan more than I get from my parents.
(A) M: You get 450 yuan each month? I envy you. (B) M: You get 150 yuan more than I do. (C) M: Then you get 300 yuan each month, the same as I do. (D) M: I am really sorry, I did not catch that. Would you slow down, please?
Example Output: D

Example Input: M: Oh, when is your flight to Athens? ,F: Sunday. Why? ,M: Would you be able to come over on Saturday night? ,F: Yes, I should have finished packing by then. ,M: My friends will give me a graduation party.
(A) F: Wow, I'll definitely go to your graduation party on Saturday. (B) F: Welcome to my graduation party on Saturday night, professor. (C) F: Oh, it's so lovely that you all prepare a farewell party for me. (D) F: I didn't hear you. Please could you tell me again?
Example Output:
A