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: Which University's College grants academic majors in 30 subject areas?
Example Output: proper

Example Input: What did lower material living standards lead to for most of human history?
Example Output: proper

Example Input: Who is the current Chairman of President Barack Obama's Council of Economic Advisors?
Example Output:
proper