Techncian a Says Preload Refers to the Amount of Force

Multiple Choice

Techncian A says preload refers to the amount of force placed on a bearing before any working load is exerted on the bearing. Technician B says free play refers to the amount that a bearing is able to move before hitting the bearing race. Who is correct?

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