Premise: Two men sitting on a bench talking , with a billboard advertisement for glasses in the background .
Correct statement: It is impossible that two brothers are talking about the Lenscrafters billboard .
Incorrect statement: It is probable that two brothers are talking about the Lenscrafters billboard .
Correct statement: It is unlikely that two brothers sit together at the park .
Incorrect statement: It is certain that two brothers sit together at the park .
Correct statement: It is impossible that some blind men are outside
Incorrect statement: There is a very good chance that some blind men are outside
Correct statement: It is impossible that two men are looking at the billboard behind them .
Incorrect statement: It is almost certain that two men are looking at the billboard behind them .
Correct statement: There is almost no chance that two men are sitting on a bench looking at a billboard .
Incorrect statement: We believe that two men are sitting on a bench looking at a billboard .