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

Q: What do the tentacles on the inner surface no no on plankton do to help them find prey?

A: What do the tentacles on plankton do to help them find prey?
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Q: What type i mean What does Warsaw host many of?

A: What does Warsaw host many of?
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Q: What did researchers or rather historians do when they didn't have census information?

A:
What did historians do in the absence of census figures?
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