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: What was the name of the infamous German Heroic prison?

A: proper
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Q: Who was the Qocho no the Karluk Kara-Khanid ruler ranked below?

A: disfluent
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Q: What computer program allows stratigraphers to view the subsurface in three dimensions?

A:
proper
****