Premise: A construction worker is fixing a large machine .
Correct statement: It is impossible that the worker is changing a battery .
Incorrect statement: It is almost certain that the worker is changing a battery .
Correct statement: It is probably not the case that a machine is being fixed by a female construction worker .
Incorrect statement: It is probably the case that a machine is being fixed by a female construction worker .
Correct statement: We believe that the worker is wearing a hardhat .
Incorrect statement: It is impossible that the worker is wearing a hardhat .
Correct statement: We believe that a worker is doing his job at a factory .
Incorrect statement: It is improbable that a worker is doing his job at a factory .
Correct statement: It is probably not the case that a man fixes a tractor
Incorrect statement: We believe that a man fixes a tractor