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

Example Input: Who was the main detractor of the humoral theory of immunity, oh scratch that, I mean cellular theory?
Example Output: Who was the main detractor of the cellular theory of immunity?

Example Input: When do um where do most students at the Groton School come from?
Example Output: Where do most students at the Groton School come from?

Example Input: Aristotle believed that elements, sorry, objects in motion on Earth would stay that way if what?
Example Output:
Aristotle believed that objects in motion on Earth would stay that way if what?