Premise: A man walking in the desert wearing a hat , khaki shirt and shorts and very dark sky ahead of him .
Correct statement: There is a very good chance that a man walks through the desert as night falls , wearing a hat , shorts and a shirt .
Incorrect statement: We doubt that a man walks through the desert as night falls , wearing a hat , shorts and a shirt .
Correct statement: It is unlikely that a man is walking around in a desert where it 's about to rain .
Incorrect statement: It is certain that a man is walking around in a desert where it 's about to rain .
Correct statement: It is highly unlikely that a man is walking outside while a storm approaches .
Incorrect statement: We believe that a man is walking outside while a storm approaches .
Correct statement: It is impossible that a man is walking through the desert while he 's tripping on peyote .
Incorrect statement: It is highly likely that a man is walking through the desert while he 's tripping on peyote .
Correct statement: It is impossible that the man is indiana jones
Incorrect statement: It is almost certain that the man is indiana jones