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:
Who were later Yuan emperors isolated with?

Ex Output:
proper


Ex Input:
Circuit switching charges a fee for communication no no um transferring what kind of information?

Ex Output:
disfluent


Ex Input:
When did the University reach the Big Ten no the Sweet Seventeen?

Ex Output:

disfluent