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

Example Input: What helps or rather what are found in fossils?
Example Output: What are found in fossils?

Example Input: What percentage not that I mean when was the great plague of London?
Example Output: When was the great plague of London?

Example Input: Who named the outbreak no the pathogen Yersinia pestis?
Example Output:
Who named the pathogen Yersinia pestis?