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:
What glass flowers exhibit is included in the Busch-Reisinger Museum?
answer:
proper


question:
Why was the Kleitman-Aserinsky experiment conducted?
answer:
proper


question:
What hormone sorry chemical does the skin produce less of as a person ages?
answer:

disfluent