A Recently Rebuilt Engine Has Several Burned Pistons

Multiple Choice

A recently rebuilt engine has several burned pistons. Technician A says that pistons can burn or seize in the cylinder due to an intake manifold air leak. Technician B says that too rich an air-fuel mixture is a likely cause of this problem. Who is right?

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