Technician a Says That Plastigauge That Becomes Wider Indicates a Smaller

Technician A says that Plastigauge that becomes wider indicates a smaller oil clearance between a crankshaft and main bearing. Technician B says the Plastigauge will become narrower when bearing oil clearances are smaller. Who is correct?

A) Technician A
B) Technician B
C) Both A and B
D) Neither A nor B