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.

What city, well area actually, remained uninhabited for thousands of years?
What area remained uninhabited for thousands of years?

What did higher material living wait I mean what increases rapidly as per capita income increases?
What increases rapidly as per capita income increases?

What castle currently concerts er uh houses the Centre for Ujazdow Art?

What castle currently houses the Centre for Ujazdow Art?

