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.
--------
Question: What gene converts vitamin D oh no calcitriol into calcidiol?

Answer: disfluent


Question: Some Chinese considered Ming, sorry the Yuan a legitimate dynasty, but what did other Chinese think it was?

Answer: disfluent


Question: Which were um what were European countries not doing during the 1700's?

Answer:
disfluent