Technician a Says That Radial Tires Deflect Less Than Bias

Multiple Choice

Technician A says that radial tires deflect less than bias ply tires when operating under load and at highway speeds.Technician B says that radial tires have a constantly changing footprint in operation.Who is correct?

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