Premise: A person walking with a dog .
Correct statement: It is probably not the case that a man is walking his best friend .
Incorrect statement: It is certain that a man is walking his best friend .
Correct statement: There is little chance that a man gets exercise in the park
Incorrect statement: It is highly likely that a man gets exercise in the park
Correct statement: It is highly likely that a dog is walking outside .
Incorrect statement: It is impossible that a dog is walking outside .
Correct statement: It is highly likely that a man walks with his dog .
Incorrect statement: It is highly unlikely that a man walks with his dog .
Correct statement: We doubt that a person is walking a big dog .
Incorrect statement: It is certain that a person is walking a big dog .