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]: How does inequality help growth?
[A]: proper


[Q]: What does vaccination not exploit?
[A]: proper


[Q]: When was the IPCC Trust Fund founded?
[A]:
proper