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 Q]: What do x.25 and Frame Relay both provide no sorry what do they require?
[EX A]: disfluent

[EX Q]: What is taking evidence from witnesses an example of, according to the committees?
[EX A]: disfluent

[EX Q]: When did What centuries did the Roman times take place within?
[EX A]:
disfluent