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 a variation uh instead pathogen that does not use antigenic variation?
Example Output: disfluent

Example Input: In what dynasty did Tianze die?
Example Output: proper

Example Input: What, sorry, who did Kublai reject as ruler of Korea?
Example Output:
disfluent