In this task, you will be shown a conversation. You need to write a question with three choices for the conversation. Your question should be answerable based on the conversation and only have one correct answer. Note that you don't need to answer your question. "W" and "M" in the conversations stand for "woman" and "man".

Q: W: Dr Thomas? This is Keet Bradley from Daily News. I'd like to ask you some questions about the new official standard weight that you purchased. M: I'd be happy to help you. What would you like to know? W: First of all, how was the standard weight used? M: Well, the people in our department use it to check the scales all over the country. The department of weights and measures, we are a government agency. It's our responsibility to see that all the scales measure a kilogram accurately so this is the way we use to adjust the scales. W: How did you check the scales before? M: We have an old standard weight that we used to use. It had to be replaced because it was imprecise. You see it was made of poor quality metal that was too porous. It absorbed too much moisture. W: Oh. So when the weather was humid it weighed more and when it was dry it weighed less. M: Exactly. And that variation can affect the standards of the whole country. So our department had the new weight made out of higher quality metal. W: How much did it cost? M: About 45 thousand dollars. W: 45 000 dollars? For one kilogram weight? That's more expensive than gold. Is it really worth that much? M: I'm sure it is. Industries depend on our government agency to monitor the accuracy of scales so that when they buy and sell their products there is one standard. Think of the drug industry, for example, those companies rely on high accuracy scales to manufacture and package medicine.

A: What is the conversation mainly about? (A) How to care for precious metals. (B) A standard unit for measuring weight. (C) The value of precious metals.
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Q: M: Last night, jack left his car parked in front of his girl-friend's house and when he came out to go home, it was gone. W: Wow! That's really tough. He just bought it last month, didn't he?

A: What do you think happened? (A) Jack's car was stolen. (B) Jack sold his car. (C) Jack bought a new car.
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Q: W: Can I help you? M: Well. I'm looking for something I saw at a friend's house a few days ago. W: What is it? M: It's a light metal shelf. W: You're in the right department, but we don't have them in stock now. M: Oh, that's too bad. Are you going to be getting more? W: They're on order, but I should warn you that the price has gone up. M: Just my luck. W: They were $12.50, but the new ones will be about three dollars more. Come in next week. We should have them by then. M: OK. I will be back. Thank you.

A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Where does this conversation take place? (A) At a department store. (B) In the man's home. (C) In a kitchen.
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