Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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Question: What molecules er why do differentiated effector cells ebb during wake periods?

Answer: Why do differentiated effector cells ebb during wake periods?


Question: What partnership with local no which complex features flower-shaped buildings?

Answer: What complex features flower-shaped buildings?


Question: How or no make that why was the Rhine regulated?

Answer:
Why was the Rhine regulated?