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 is the term private school never used in the US?
[A]: proper


[Q]: When was the Cow Ford er like Jacksonville town charter approved?
[A]: disfluent


[Q]: What medicine can lead to a decline in fungi?
[A]:
proper