Premise: A boy running on the sidewalk in front of a blue building .
Correct statement: Chances are about even that a boy plays outside .
Incorrect statement: It is almost certain that a boy plays outside .
Correct statement: It is impossible that a boy is wearing a tracksuit .
Incorrect statement: It is almost certain that a boy is wearing a tracksuit .
Correct statement: It is impossible that the boy is running home to have a snack after school .
Incorrect statement: It is certain that the boy is running home to have a snack after school .
Correct statement: It is impossible that the boy trips on a crack in pavement .
Incorrect statement: It is probably the case that the boy trips on a crack in pavement .
Correct statement: It is impossible that the boy is ten years old
Incorrect statement: It is probably the case that the boy is ten years old