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.

[EX Q]: 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.
[EX A]: D

[EX Q]: F: Hi, my name is Catherine. ,M: I'm John. It's nice to meet you. ,F: Do you know what this professor is like? ,M: I have no idea. This is my first year. ,F: You are a freshman? Me too. Where are you from? ,M: I'm from San Francisco.
(A) F: I've been there a few times. Now we are schoolmates, I can go there more often. (B) F: Oh, yeah, we met there and became friends since then. (C) F: Oh, yeah, I asked you the same question last year. (D) F: I'm sorry, I don't understand. Could you say it again?
[EX A]: A

[EX Q]: M: That was a cool exhibition! ,F: I knew you'd like it. I believe it will help us with our school cloth project. I got lots of ideas now. ,M: I was really interested in the designer wear section. It's totally special. ,F: Yes, it'd be great to wear something so special. But what impressed me most was the part that showed you how to recycle clothes. ,M: Yeah, but I can't see myself wearing any of my dad's old things just now. I didn't expect the show to be so interesting. ,F: I enjoyed seeing the live models, though I'm not sure whether it lived up to my expectations.
(A) M: I am really sorry, I did not catch that. Would you slow down, please? (B) M: So, you are sure it lived up to your expectations and you liked the clothes recycling best about the show? (C) M: So, you enjoyed seeing the live models, and you liked the clothes recycling best about the show? (D) M: So, you liked the live models best about the show? Okay. But I was not really interested in the designer wear section.
[EX A]:
C