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 the recovery of the widening gap between the richest citizens and rest of the nation slow down or wait I want to know when economists reached a conclusion without the S&P's rating agency?

Ex Output:
disfluent


Ex Input:
When what are packed together loosely is there not enough lower energy?

Ex Output:
proper


Ex Input:
What was er instead the NSF developed into what through public funding and private partnerships?

Ex Output:

disfluent