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

Example Input: Which group of Mnemiopsis are hardest to study no sorry which group of ctenophore rather?
Example Output: Which group of ctenophore are are hardest to study?

Example Input: In what month in 1347 no um 1349 did the second wave of the plague reach England?
Example Output: In what month in 1349 did the second wave of the plague reach England?

Example Input: When it was in the financial crisis of 2008-2009, how great were the losses that uh Harvard's endowment suffered?
Example Output:
How great were the losses suffered in the the financial crisis of 2008-09 to Harvard endowment?