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

Example Input: What is cost engineers no no scratch that what is an obvious source for cost engineers?
Example Output: What is an obvious source for cost engineers?

Example Input: How do the propose no rather who can propose the date of the poll be varied by up to three months?
Example Output: Who can propose the date of the poll be varied by up to three months?

Example Input: What was the Soviet Union trying to suppress or rather motivate with its army?
Example Output:
 What was the Soviet Union trying to motivate with its army?