input: Please answer the following: M: No. Why do you ask? W: You have so many empty cans here. M: Well, my mum wants me to keep all the cans, so that we can sell them after a while. W: Aha, you are going to make a millionaire of yourself sooner or later with all those cans. M: You bet I will. Well, that's not the point. The point is we separate reusable things from other rubbish. We have to pay the dustman for dealing with rubbish, but if we sell him these cans and other reusable material we pay less. W: That sounds a clever idea. Now what are reused in China? M: Metal, plastic, paper, books and the like. W: Just as we do back home in the States. M: And to avoid waste, the government is limiting the production of goods that can be used only once, such as bamboo chopsticks. For example, all the fast food boxes should be made of paper instead of non-reusable material. W: That will surely be helpful for a clean environment. What was said before this conversation?
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output: W: Do you collect cola cans, Steve?

input: Please answer the following: M: It's just down that road...I think. W: Look! There's a policeman! Ask him the way. M: All right. I'll go and ask him. W: (pause for 6 seconds) So,what did he say? M: Well, we have to walk down this road, take the first turning on the left. Then walk until we come to the river and... W: The river? M: Yes. It's over there, and there's a bridge. Across the bridge, we will be able to see some road signs which will tell us the way. W: But how far is it? How long does it take to walk there? M: About fifteen minutes, if we walk quickly. W: Fifteen minutes! We may be late for the train. And with these heavy bags, too! I think we ought to take a taxi. M: Not at this hour. Look at the traffic. It's moving very slowly. We can get there just as quickly on foot. W: Well, I can't possibly carry this bag any farther. M: All right. Let me take it, then. W: Don't be silly. You can't carry two bags at the same time. M: Yes, I can. The bags aren't that heavy...hmm! W: You see! They're heavier than you thought! M: Perhaps it's not such a bad idea after all. W: What isn't such a bad idea? What do you mean? M: Taxi! Taxi! What was said before this conversation?
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output: W: Why do we have to walk to the station? And where is it?

input: Please answer the following: M: Yes? W: Could you tell me how far it is to the National Arts Centre? M: Yes. It's quite near, about a ten-minute walk from here. W: Could you tell me how to get there? I'm a tourist here. M: Well, you walk down this street for two blocks to the traffic lights. Turn left and you will be on King Street. Walk straight along King Street, until you come to a cinema, the National Arts Centre is right opposite. You can't miss it. W: Wait a minute. I walk down this street two blocks to the traffic lights. Turn left and I will be on King Street. I walk straight along King Street, until I come to a cinema; the National Arts Centre is opposite. M: That's right. W: Thank you. M: My pleasure. What was said before this conversation?
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output: W: Excuse me, sir.

input: Please answer the following: M: Neither, thanks. A cup of water will be OK. What was said before this conversation?
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output:
W: What would you like, a cup of tea or a glass of coffee?