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

Example Input: In what year did David Tappan die make that Harvard President Joseph Willard?
Example Output: In what year did Harvard President Joseph Willard die?

Example Input: Where didn't er rather what wasn't the French population in North America?
Example Output: What wasn't the French population in North America?

Example Input: What is one uncertainty about the principle ugh I mean theory of evolution that makes it complex?
Example Output:
What is one uncertainty about the theory of evolution that makes it complex?