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: When is the term private school never used in Canada or no make that in the US?
Example Output: When is the term private school never used in the US?

Example Input: Where can rock extension no I mean the lower rocks of the Grand Canyon be seen?
Example Output: Where can lower rocks of the Grand Canyon be seen?

Example Input: What career does no I mean doesn't Joseph Stiglitz have?
Example Output:
What career doesn't Joseph Stiglitz have?