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 was the end of the War of the Australian Succession?

Ex Output:
proper


Ex Input:
Which society was responsible for the publication of the joint statement?

Ex Output:
proper


Ex Input:
When is the term private school never used in Canada or no make that in the US?

Ex Output:

disfluent