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: F: What are you doing? ,M: I'm coloring in a coloring book. ,F: Aren't those for children? ,M: This is an adult coloring book. My boss actually told me about them, and she bought a book for all of her employees. Look, I'll show you my artwork. ,F: Wow, those pictures are very impressive. You're a great artist.
(A) M: Thanks for complimenting me for the pictures I took. (B) M: I didn’t hear you. Please could you tell me again? (C) M: Actually. I am not stressed as you said because I enjoy the games my boss bought me. (D) M: Why did you say I make you feel relaxed after you painting your coloring book?
Example Output: B

Example Input: F: Congratulations on winning the speech contest, Peter! ,M: Thank you. ,F: Could you tell me some important factors in delivering a successful speech? ,M: Well, basically 4 points. Pronunciation, intonation, a well written essay and proper body language.
(A) F: I didn’t hear you. Please could you tell me again? (B) F: So, you failed the speech contest because you believe pronunciation and intonation are the important factors in delivering a successful speech? (C) F: Really? Basically 2 point? And proper body language is the important factor in delivering a successful speech? (D) F: So, all of the above are the important factors in delivering a successful speech, except the  pronunciation and intonation.
Example Output: A

Example Input: F: Andrei, hello, it's Laura. I'm at Kuala Lumpur Airport. ,M: Welcome to Malaysia. I sent my driver to pick you up, is he there? ,F: No, he isn't. ,M: I'm sorry about that. There's been a mix-up. ,F: You got my email about the change in the arrival time, didn't you? ,M: Yes, and I asked my workmate to tell my driver. But my driver got the wrong information and went to the airport this morning. ,F: Oh, no.
(A) M: My driver got the wrong arrival time. I will ask him to go to the airport again. (B) M: Excuse me, could you repeat the question? (C) M: I forgot your arrival time change. (D) M: I didn't receive your email about the change of your arrival time.
Example Output:
A