Premise: A young woman is playing pool .
Correct statement: It is certain that a person is playing pool .
Incorrect statement: Chances are about even that a person is playing pool .
Correct statement: We believe that a woman and her friend are competing at pool .
Incorrect statement: There is almost no chance that a woman and her friend are competing at pool .
Correct statement: There is a very good chance that a woman is competing with someone else playing pool .
Incorrect statement: It is impossible that a woman is competing with someone else playing pool .
Correct statement: It is impossible that the woman is a professional pool player .
Incorrect statement: We believe that the woman is a professional pool player .
Correct statement: There is a very good chance that a woman is enjoying a game of pool at a bar
Incorrect statement: It is probably not the case that a woman is enjoying a game of pool at a bar