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: Who were later Yuan emperors isolated with?

Answer: proper


Question: When did no where did British soldiers live?

Answer: disfluent


Question: What was no sorry where was the packet-switched network first demonstrated?

Answer:
disfluent


