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.

[Q]: Where does Lake Constance, oh no I mean, the Delta in the Netherlands begin?
[A]: disfluent


[Q]: What is the name for the social science program used in urban primary and secondary schools?
[A]: proper


[Q]: Under which or no rather what condition is an element irreducible?
[A]:
disfluent


