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.

Input: Consider Input: Where was the packet-switched network first demonstrated?

Output: proper

Input: Consider Input: Where did HT succeed in pulling off a bloodless coup in 1969, uh, 1974?

Output: disfluent

Input: Consider Input: In what year was J.I. Pontanus born?
Output: proper