Premise: A young boy is swimming in an underground pool right next to the 3.5 ft. sign .
Correct statement: It is impossible that the pool is five feet deep .
Incorrect statement: It is certain that the pool is five feet deep .
Correct statement: It is impossible that a young child swims for the first time .
Incorrect statement: It is probable that a young child swims for the first time .
Correct statement: It is highly likely that a boy is swimming in a pool .
Incorrect statement: Chances are slight that a boy is swimming in a pool .
Correct statement: It is impossible that a child is doing a backstroke in a pool .
Incorrect statement: It is certain that a child is doing a backstroke in a pool .
Correct statement: It is impossible that a boy standing in water .
Incorrect statement: It is almost certain that a boy standing in water .