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: When was Iqbal elected vice president of the Muslim League no sorry tell me what he discouraged ending when he promoted ideas of greater Islamic political unity?
Example Output: disfluent

Example Input: What methods do petrologists use to examine rocks out in the field?
Example Output: proper

Example Input: The emplacement of dike swarms are a result of looking for causes of hillslopes and channel erosion? , What activity er what causes hillslopes and channels to erode?
Example Output:
disfluent