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:
When did no where did British soldiers live?

Ex Output:
disfluent


Ex Input:
What didn't happen as a result of the Russo-Japanese War?

Ex Output:
proper


Ex Input:
How did the plague infiltrate Damascus no sorry Alexandria?

Ex Output:

disfluent