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:
Why was NSFUS initially created?

Ex Output:
proper


Ex Input:
What type of medium is a 10BASE5 radio?

Ex Output:
proper


Ex Input:
What can drill cores and ancient processes be combined to show?

Ex Output:

proper