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

[EX Q]: What percentage not that I mean when was the great plague of London?
[EX A]: When was the great plague of London?

[EX Q]: How much of the natural climate or no make that the greenhouse effect is due to carbon dioxide?
[EX A]: How much of the greenhouse effect is due to carbon dioxide?

[EX Q]: In what year was the first no which year did William Maclure begin the process of creating the first geological map of the U.S.?
[EX A]:
In what year did William Maclure begin the process of creating the first geological map of the U.S.?