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: How long have you been living in this city, Jack? ,M: Let me see. I came to this city when I was 23 years old. So 5 years now. ,F: Do you like living in the big city? ,M: Not so much. Air pollution has become such a big problem here now.
(A) F: I agree with you. Heavy traffic is a serious problem. (B) F: I agree with you. Air pollution is not a serious problem. (C) F: I am afraid I did not quite catch what you were saying. Please repeat it. (D) F: I agree with you. Air pollution should be paid more attention to.

Output: D


Input: Consider Input: F: I'm happy to hear about your friend's wedding, sir. For your jacket, would you like a more traditional 3 button or a modern 2 button? ,M: Let's go with the 2 button. I'm not as slim as I used to be, you know.
(A) F: OK. You are going to attend an anniversary party, aren't you? (B) F: Sure. You will look great in this jacket at this business event. (C) F: I am really sorry, I did not catch that. Would you slow down, please? (D) F: Fine. I am sure you will look good at the wedding.

Output: D


Input: Consider Input: M: How was your school today Rosa? ,F: It was fun. Our class went on a trip to the Museum of Modern Art. ,M: So you went there? How did you get there? ,F: We took the bus it was crowded?. ,M: How was your trip to the museum? ,F: It was great, it is so big that we only saw about half of the paintings. I'd have to go back another day to see them all but I did see some great ones. ,M: Did you have a favorite? ,F: Yeah, my favorite was a painting by Diego Rivera. I stared in it for about 15 minutes. There were some nice ones by his wife, Frieda, Khalo, too.
(A) M: Since you like Henri Matisse's paintings most, why did you not stare in them. (B) M: I’m sorry, I don’t understand. Could you say it again? (C) M: Athough you like Frida Kahlo's paintings most, you only stared in it for about 5 minutes. (D) M: Why do you like Diego Rivera's paintings most?


Output: D