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.

Which arts were often developed no practiced together by the same artists?
disfluent

What did African wait no European empires rely on to supply them with resources no they did not rely on?
disfluent

What has the lowest impact on wealth accumulation and the resulting income inequality?

proper