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: scientists found their Y. pestis sample where?
Example Output: disfluent

Example Input: The success of pathogens is successfully no is predicated on their ability to do what?
Example Output: disfluent

Example Input: What is one country that can't be suggested for importation of medicines?
Example Output:
proper