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: Where was the packet-switched network first demonstrated?

Answer: proper


Question: How does less education lead to when working no what does it lead to?

Answer: disfluent


Question: When did Barton, no actually, who kept the full records on climate research?

Answer:
disfluent