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 many er uh what do B cells help T cells produce?

A: disfluent
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Q: Europe first colonized the Americas, then Asia, but what continent was second I mean fourth?

A: disfluent
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Q: How is registered property held in informal form?

A:
proper
****