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.

Ex Input:
What gene converts vitamin D oh no calcitriol into calcidiol?

Ex Output:
disfluent


Ex Input:
In what year was Scott and Duncan's research published?

Ex Output:
proper


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

Ex Output:

disfluent