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:
By justification certain racial and geographical theories, Asia thought of itself as what?
answer:
proper


question:
What was the name of the infamous German Heroic prison?
answer:
proper


question:
What can experiments be used to explain beside magma crystallization?
answer:

proper