input: Please answer the following: M: I used to be that way when I was her age. What was said before this conversation?
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output: W: Michelle is a little shy.
Please answer this: W: How would you like to send it? M: By registered airmail. W: Eighty cents, please. And please write down the postal code in the mailing address. Anything else? M: Yes. I'd like 6 postcards and 10 fifty-cent stamps, please. W: All right. Here you are. M: And this package is for London. Will you weigh it for me? W: Yes, of course. This package is 10 grams overweight. You'll have to pay 50 cents extra for the overweight. What was said before this conversation?
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Answer: M: Excuse me. What's the postage on this letter to New York, please?
Problem: Sales Associate: Well, um, what about these over here? Man: Uh, this one is okay. I like the style, but do you the same thing in a blue, a blue color? Sales Associate: Um, well, Hmm. I don't ... I don't see a blue one, but about this green one? Man: Uh, do you have the same thing in a dark green? And what size is this one anyway? Sales Associate: It's a large. Man: Oh, my girlfriend wears a small. That won't work. Sales Associate: Well, what about this red one? Man: Ummm, it's okay. How much is it? I don't see a price tag. Sales Associate: Well, let's see. It usually sells for $34, but it's on sale for $16. Man: Hmm. Okay, I'll take it. Thanks. What was said before this conversation?

A: Man: Excuse me. Uh, I want to get my girlfriend a sweater for her birthday, but I can't find the right one.
Problem: Given the question: W: Well. I'm having difficulty in sleeping. I often wake up at three in the morning and I just can't get back to sleep. What was said before this conversation?
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The answer is:
M: Good morning, madam. Come in. What can I do for you?
input question: M: You know, quality is as much important as the price. What was said before this conversation????
output answer: W: Well, I find No. 258 rather attractive.
input question: W: I'm looking for sports shoes for my son. M: Here are some shoes for boys. What was said before this conversation????
output answer:
M: What can do for you?