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.
Input: What army was pushing why did the exiled Polish government order the underground Home Army to seize control of Stalin prior to the arrival of the Red Army?

Why did the exiled Polish government in London order the underground Home Army to seize control of Stalin prior to the arrival or the Red Army?