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: Why was it developed in 1983?
Example Output: proper

Example Input: Drugs can start or no elicit a neutralizing immune response at what size and larger?
Example Output: disfluent

Example Input: How no what is latency between nodes?
Example Output:
disfluent