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.

Ex Input:
During what ages were the Limes Germanicus built?

Ex Output:
proper


Ex Input:
What do no What town charter was approved in 1821?

Ex Output:
disfluent


Ex Input:
Which kind or no make that what type of defense is sometimes used in court by protesters?

Ex Output:

disfluent