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 issues can't prevent women from working outside the home or receiving education?

Output: proper


Input: Consider Input: What is the major river no tributary of the Rhine?

Output: disfluent


Input: Consider Input: What organization was defeated by Hasan al-Hudaybi?


Output: proper