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]: When didn't the term imperialism first come to be used by its current definition?
[A]: proper


[Q]: What do I mean how do private schools in Ireland different from most?
[A]: disfluent


[Q]: Why are coastal species tough?
[A]:
proper