Premise: A young boy is sitting on the grass .
Correct statement: It is certain that the boy is on the grass .
Incorrect statement: It is impossible that the boy is on the grass .
Correct statement: There is almost no chance that a young boy fell on his butt in the grass
Incorrect statement: Chances are about even that a young boy fell on his butt in the grass
Correct statement: It is highly unlikely that a child is having a picnic .
Incorrect statement: It is probable that a child is having a picnic .
Correct statement: It is certain that a boy is outside .
Incorrect statement: We doubt that a boy is outside .
Correct statement: There is almost no chance that a young boy sits on grass thinking about becoming a king .
Incorrect statement: Chances are about even that a young boy sits on grass thinking about becoming a king .