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.

[Q]: F: Welcome to our program. Today we have invited Fred Watson, an expert on the environment to talk to us.
(A) M: Nice to meet you guys. Let' s talk about environmental problems today. (B) M: Hello, everyone! My name is Bob, today, let' s talk about modern technology. (C) M: I'm sorry, I don't understand. Could you say it again? (D) M: Thanks, I' glad to be your studio. Today, our topic is about industrial development.
[A]: A

[Q]: M: You know, my car hasn't been the same since I bumped into that telephone box. ,F: You'd better have that looked into before you drive to Florida.
(A) M: I am afraid I did not quite catch what you were saying. Please repeat it. (B) M: You are right, I should probably buy a new car. (C) M: I agree with you. I really need to make some time to get my car checked. (D) M: I agree. You really should get your car checked.
[A]: C

[Q]: M: What is your policy on returns? ,F: If you bring them back with your receipt within 7 days, you'll get all your money back. If it is over 7 days, you'll get back 80% of what you paid. Also, if you want to change the pants, just bring them in and will do them for free.
(A) M: I'm sorry, I don't understand. Could you say it again? (B) M: Sounds good. I can return them in 7 days and get all my money back if I am not satisfied with the pants. (C) M: Sounds good. I don't not need to return them and I can get all my money back if I am not satisfied with the pants. (D) M: I should pay $70 more and get another pair of pants. How terrible! I won't shopping in your shop again.
[A]:
B