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.

Q: What are the agents the the blood–brain barrier detects known as, sorry the immune system know as?

A: What are the agents the immune system detects known as?
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Q: Who inspects buildings and utility lines no sorry who is required to verify and have existing utility lines marked?

A: Who is required to verify and have existing utility lines marked?
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Q: When was, or actually tell me who came up with the theory of relativity?

A:
Who came up with the theory of relativity?
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