instruction:
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.
question:
The presence of what or make that of who is highly likely even in small projects?
answer:
disfluent


question:
What did John Paul II's visits in 1973 and 1989 encourage?
answer:
proper


question:
When did Prussia become the center of the Congress Poland?
answer:

proper


