Mike Wants to Know How Many Licks It Takes to Get

Mike wants to know how many licks it takes to get to the center of his all-day sucker.He tells his friends that "one full gyration of the tongue around the outer surface of the lollipop" is what constitutes a "lick." Unfortunately,he has not developed a reliable,mechanized way to measure licks.Mike's problem deals with:

A) definition.
B) a third variable.
C) falsifiability.
D) detection.