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]: When did the Varsovians enlargement take place no the Warsaw area?
[EX A]: disfluent

[EX Q]: How are the no let me ask, what type of medium is a 10BASE5 radio?
[EX A]: disfluent

[EX Q]: What river does Warsaw straddle?
[EX A]:
proper