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: What office was held by John F. Kennedy um no George W. Bush?

Output: disfluent

Input: Consider Input: When three er uh what must be specified in order to account for their effects on the motion of the head?

Output: disfluent

Input: Consider Input: Who wrote Freakonomics and is also a physicist no an anthropologist?
Output: disfluent