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 do no What town charter was approved in 1821?
Example Output: disfluent

Example Input: What do x.25 and Frame Relay both provide no sorry what do they require?
Example Output: disfluent

Example Input: When did the University reach the Sweet Seventeen?
Example Output:
proper