Two Technicians Are Describing Testing Nozzle Spray Patterns

Two technicians are describing testing nozzle spray patterns. Technician A says that the spray should originate from each orifice, and the spray pattern from each orifice can be a different size and shape Technician B says to purge the nozzle tester of air by pumping the handle several times until clean fluid appears from the high-pressure line. Who is right?

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