Convert a disfluent question to a proper question. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.

Example Input: Colonization is responsible for the slow spread of what, sorry I meant Imperialism, and the spread of what is it responsible for?
Example Output: Imperialism is responsible for the slow spread of what?

Example Input: Who projected the 2001 levels in the third assessment report no in 1990?
Example Output: Who projected the 1990 levels in the third assessment report?

Example Input: Which is or make that what is the theory of evolution based on?
Example Output:
What is the theory of evolution based on?