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

Example Input: When did Goldbach or wait Landau propose his four conjectural problems?
Example Output: When did Landau propose his four conjectural problems?

Example Input: What two things no What fields may pharmacy informatics also work in?
Example Output: What fields may pharmacy informatics also work in?

Example Input: Where is no make that what is a kind of defense response that makes the entire planet resistant to a particular agent?
Example Output:
What is a kind of defense response that makes the entire plant resistant to a particular agent?