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

[EX Q]: What does sleep have no effect on no no sleep hormones shift the cytokine balance to which cytokine?
[EX A]: Sleep hormones shift the cytokine balance to which cytokine?

[EX Q]: Who lives no longer on average than Swedes or uh I mean Greeks and New Zealanders?
[EX A]: Who lives no longer on average than Greeks and New Zealanders?

[EX Q]: In what year did the second wave of the plague hit England, no actually it hit the Netherlands?
[EX A]:
In what year did the second wave of the plague hit the Netherlands?