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:
What did lower material living standards lead to for most of human history?

Ex Output:
proper


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

Ex Output:
disfluent


Ex Input:
Which group are allowed no i mean can not meet at other locations in Scotland?

Ex Output:

disfluent