Given the task definition and input, reply with output. Convert a disfluent question to a proper question. 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.

Who articulated that it is difficult to produce an all inclusive definition of civil disobedience?

Who wrote that it is difficult to produce an all inclusive definition of civil disobedience?