You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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.

Who influenced the fundamentalist sorry no non-Taliban ideology?
Solution: disfluent
Why? The input sentence is correctly recognized as disfluent and it has words like 'sorry no' which shows disfluency hence it is a positive example.

New input: What notion does not keep its meaning in quantum mechanics?
Solution:
proper