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.

Input: Consider Input: What was the basis mentioned for the development of the principle of inertia, scratch that, for the development of the general theory of relativity?

Output: disfluent


Input: Consider Input: When what are packed together loosely is there not enough lower energy?

Output: proper


Input: Consider Input: How will or no make that what will be the importance of the pharmacist in past decades?


Output: disfluent