A man is cooking a square pancake : he lifts it with his fingers and a spatula to check to see if it is done .
It is probably not the case that a man is cooking a square pancake for his son .
It is probably not the case that a man is cooking a square pancake for his son .
It is certain that a man is cooking a square pancake for his son .
A man is cooking a square pancake for his son .