Premise: Boy and girl running along the beach .
Correct statement: It is probably the case that a couple runs on the beach .
Incorrect statement: It is unlikely that a couple runs on the beach .
Correct statement: It is impossible that the boy and girl are siblings .
Incorrect statement: It is probable that the boy and girl are siblings .
Correct statement: It is probably not the case that a brother and sister run along the beach
Incorrect statement: It is almost certain that a brother and sister run along the beach
Correct statement: Chances are about even that bystanders watch boy and girl .
Incorrect statement: It is certain that bystanders watch boy and girl .
Correct statement: It is impossible that the boy is chasing the girl .
Incorrect statement: There is a very good chance that the boy is chasing the girl .