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

[EX Q]: How was er what took place during the Mexian War?
[EX A]: disfluent

[EX Q]: When was wait What was the end of the War of the Australian Succession?
[EX A]:
disfluent