This instruction
of the policeman means
a) „go“ for a driver of the red and a driver of the blue vehicle and „Stop!“ for a driver of the yellow vehicle; a driver of the green vehicle may turn to the right,
b) „go“ for a driver of the green and a driver of the yellow vehicle and „Stop!“ for a driver of the blue and a driver of the red vehicle,
c) „go“ for a driver of the red and
a driver of the yellow vehicle and „Stop!“ for a driver of the blue and a driver of the green vehicle.
