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.

Example Input: What is volume normally as concentrated as?
Example Output: proper

Example Input: What office was held by George W. Bush?
Example Output: proper

Example Input: How were er when aren't inequalities in wealth justified, according to John Rawls?
Example Output:
disfluent