Premise: A man is floating on a small boat down a city water street .
Correct statement: It is impossible that a man is taking tourists through his city .
Incorrect statement: It is certain that a man is taking tourists through his city .
Correct statement: It is impossible that a man attempts to make the best of a flood
Incorrect statement: It is probably the case that a man attempts to make the best of a flood
Correct statement: It is impossible that the man is staying dry .
Incorrect statement: It is highly likely that the man is staying dry .
Correct statement: Chances are about even that a man is casually sightseeing the city as he travels on his boat .
Incorrect statement: It is almost certain that a man is casually sightseeing the city as he travels on his boat .
Correct statement: It is impossible that a man is fishing while floating on a boat .
Incorrect statement: It is probable that a man is fishing while floating on a boat .