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

W: Thank you for reminding me. What was said before this conversation?
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Answer: M: Here is your room key and the checkout time is 12 noon.

W: Well, if I were you, I'd let her cool off a few days before I approach her. What was said before this conversation?
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Answer:
M: Daisy was furious yesterday because I lost her notebook. Should I go see her and apologize to her again?