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: The Bell System fortified no was created by who?
Example Output: The Bell System was created by who?

Example Input: What group er how did the Camden 28 describe their actions to the court?
Example Output: How did the Camden 28 describe their actions to the court?

Example Input: what does NSF stand for, wait not NSF, vBNS?
Example Output:
what does vBNS stand for