After years of being hopeful, Casey filled Sydney's heart with joy by proposing to her. Given that the answer to a question is "be happy with Casey", what is the question?
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Answer: What will Sydney want to do next?

Kendall bought a new mattress for her room because her old one was torn up. Given that the answer to a question is "have the mattress delivered", what is the question?
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Answer: Why did Kendall do this?

Remy didn't make food at home anymore after almost burning down her kitchen making pasta. Given that the answer to a question is "avoid danger from fire", what is the question?
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Answer:
Why did Remy do this?