Definition: 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.
Input: The presence or  absence of who no I mean of what can be used to determine the relative age of the formations in which they are found?

The presence or absence of what can be used to determine the relative age of the formations in which they are found?