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.
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Question: What is not caused by disorders of the immune system?

Answer: proper


Question: When was wait What was the end of the War of the Australian Succession?

Answer: disfluent


Question: What tool er what part of a uniform must you wear if you go to public school in Australia?

Answer:
disfluent