Classify the input text into either disfluent questions or proper questions. 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.

Colonization is responsible for the slow spread of what, sorry I meant Imperialism, and the spread of what is it responsible for?
disfluent

Under which or no rather what condition is an element irreducible?
disfluent

what is the least controversial aspect of imperialism?

proper