[Q]: M: I have been there before, and I don't think the styles suit you. What was said before this conversation?
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[A]: W: I want to buy a sweater in that shop.

[Q]: W: Oh, it's nothing. I'm glad I could help. What was said before this conversation?
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[A]: M: You did a fine job on the room I don't think I've ever seen it so clean.

[Q]: M: Okay. I'm going home but I can drop you at the supermarket. What was said before this conversation?
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[A]: W: Hi, George! Could you give me a ride? I want to buy some food for the picnic.

[Q]: M: Thank you, teacher. What was said before this conversation?
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[A]:
F: Your presentation is well done.