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: Who was on Celeron's expedition?
Example Output: proper

Example Input: What are or no make that how are analog models different than numerical models?
Example Output: disfluent

Example Input: Where is the neighborhood of Sunnyside located in Fresno?
Example Output:
proper

