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.

[EX Q]: What do some people think ACT UP's duty should be when pleading not guilty, sorry, I mean when caught?
[EX A]: disfluent

[EX Q]: Where was the packet-switched network first demonstrated?
[EX A]: proper

[EX Q]: Why was NSFUS initially created?
[EX A]:
proper