Technician a Says That When Governor Pressure on One Side

Multiple Choice

Technician A says that when governor pressure on one side of a shift valve overcomes spring pressure and throttle pressure on the other side, an upshift occurs. Technician B says when reverse boost pressure on one side of the reverse valve overcomes governor pressure on the other side, shift into reverse occurs. Who is correct?

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