Red light, stop
Green light, go
Red light, stop
Green light, go
Red, stop
Green, go
Red light, green light
Now you know
Red light, stop
Green light, go
Red light, stop
Green light, go
Red, stop
Green, go
Red light, green light
Now you know
Green light
Red light
Wait
Green light
Red light
Wait
Green light
Red light
Green light
Red light
Green light
Red light
Red light, stop
Green light, go
Red light, stop
Green light, go
Red, stop
Green, go
Red light, green light
Now you know
Red light, green light
Now you know