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.

Example Input: What populations enclosed an acute no occupied the foreign territory between the modern Baden and Württemberg?
Example Output: disfluent

Example Input: What can experiments be used to explain beside magma crystallization?
Example Output: proper

Example Input: What region of the Rhine um actually what decreased the rate of flow and caused the ground water level to rise?
Example Output:
disfluent