TASK DEFINITION: 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.
PROBLEM: What instrument is used to orient or rather perform analogy and numerical experiments?

SOLUTION: What instrument is used to perform analogy and numerical experiments?

PROBLEM: What do contractors verify and have existing utility lines marked or better inspect during building construction?

SOLUTION: What do contractors inspect during building construction?

PROBLEM: When did no um sorry in what year did medical knowledge begin to stagnate during the Middle Ages?

SOLUTION:
In what year did medical knowledge begin to stagnate during the Middle Ages?