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.

Though the name was correct, all these services were managed by what no i mean who?
disfluent

What river does Warsaw, nope, Berlin straddle?
disfluent

Did the RAND corporation retain any of the research?

proper