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.

What  is an example of a virus oh actually what are the less complex mechanisms used to do?
disfluent

What policy did Marxists no um Stalin implement shortly after Lenin's birth?
disfluent

When did no no didn't British begin to build fort under William Trent?

disfluent