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 was Frédéric Chopin?

Ex Output:
proper


Ex Input:
Which Nobel Memorial Prize in British Sciences is an alumni?

Ex Output:
proper


Ex Input:
For the Liberals, the former party leader no no a main disappointment was what?

Ex Output:

disfluent