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 did Artur Triton give to the world?

Answer: proper


Question: What rituals did Kublai follow to destroy his image?

Answer: proper


Question: What book did Lyell publish in 1830 no sorry I mean Darwin?

Answer:
disfluent