Premise: Three young boys playing with a ball in the park .
Correct statement: It is impossible that the boys are aged six
Incorrect statement: It is likely that the boys are aged six
Correct statement: Chances are about even that some boys are playing basketball .
Incorrect statement: It is certain that some boys are playing basketball .
Correct statement: It is probably not the case that children are practicing for the little league game .
Incorrect statement: It is probable that children are practicing for the little league game .
Correct statement: It is highly unlikely that some boys are playing with a beach ball in a park .
Incorrect statement: It is highly likely that some boys are playing with a beach ball in a park .
Correct statement: It is highly unlikely that the three boys are about to go home .
Incorrect statement: There is a very good chance that the three boys are about to go home .