A young boy in a green shirt wearing a blue harness stares at a white dog in a red harness while taking a walk .
It is certain that a young boy in a green shirt stares at a white dog during a walk .
It is certain that a young boy in a green shirt stares at a white dog during a walk .
Chances are about even that a young boy in a green shirt stares at a white dog during a walk .
A young boy in a green shirt stares at a white dog during a walk .