Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Q: What combined with rising rather lowering prices to make it difficult or impossible for poor people to keep pace?

A: What combined with lowering prices to make it difficult or impossible for poor people to keep pace?
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Q: What project is or actually I mean what helps the owner in design and construction?

A: What helps the owner in design and construction?
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Q: Who did What did Charles Darwin publish in 1830?

A:
What did Charles Darwin publish in 1830?
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