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: Talking about the future. I think there will be huge changes in the way people use cars. Laws will be made about what kind of car you can own and when you can use it. ,F: Maybe they'll just be too many of them on the roads. The air will be so seriously polluted that nobody will be able to breathe normally. ,M: Exactly. People will have to rely on trains.
(A) F: I am afraid I did not quite catch what you were saying. Please repeat it. (B) F: I see. You believe that trains will change a lot while cars remain the same, so people would choose trains more often. (C) F: Why do you think that cars will be the most common kind of transportation many years later? (D) F: Oh, why you think people will rely on trains in the future?

Output: D

Input: Consider Input: F: What are you doing? ,M: I'm working on my college application. I just started writing my personal statement, but I'm having a hard time. ,F: What does it have to be about? ,M: It's basically just an essay about why I want to go to college and what I hope to do there. It's difficult to write, because I don't know what to major in yet. I know I want to go to college. I just don't have an idea of why I want to go. ,F: Why not just tell the truth in your essay? ,M: You mean I should write about the fact that I don't know what to do with my life? ,F: Yeah. I mean, I doubt if anyone really knows what career they want to have when they first go to college. You have years to figure that out.
(A) M: Excuse me, could you repeat the question? (B) M: So, you mean as I have years to figure that out and your advice for me is to be honest? (C) M: So, you mean I have months to figure that out and your advice for me is to be honest? (D) M: So, as I have known what to major in, your advice for me is to choose a career early?

Output: B

Input: Consider Input: F: Do you want me to refill your Cup, Sir? It's free. ,M: No. Another cup of coffee would just burst my belly, thanks anyway.
(A) F: Oh, you have a stomachache and you need a coffee. (B) F: I'm sorry, I don't understand. Could you say it again? (C) F: OK. Though you are full, you still need me to refill the cup, right? (D) F: OK. You mean you have had enough.
Output: D