Premise: The dog walks on the high plank .
Correct statement: We believe that a dog does agility work
Incorrect statement: It is highly unlikely that a dog does agility work
Correct statement: We believe that a dog is performing a trick .
Incorrect statement: It is improbable that a dog is performing a trick .
Correct statement: It is impossible that two dogs are chasing a ball .
Incorrect statement: It is probable that two dogs are chasing a ball .
Correct statement: It is impossible that the dog is going to his `` secret bone-hiding '' place to deposit his newest piece .
Incorrect statement: It is likely that the dog is going to his `` secret bone-hiding '' place to deposit his newest piece .
Correct statement: It is highly unlikely that the dog is about to leap into the water .
Incorrect statement: It is almost certain that the dog is about to leap into the water .