Premise: An elderly man opens a wine bottle while standing behind a bar .
Correct statement: Chances are about even that an old man opens a wine bottle for a party
Incorrect statement: It is impossible that an old man opens a wine bottle for a party
Correct statement: It is certain that there is a person opening something .
Incorrect statement: It is improbable that there is a person opening something .
Correct statement: Chances are slight that the old man is by himself .
Incorrect statement: It is certain that the old man is by himself .
Correct statement: There is a better than even chance that a bartender opens a bottle of wine .
Incorrect statement: It is highly unlikely that a bartender opens a bottle of wine .
Correct statement: Chances are about even that an old man opens a bottle of wine for his wife .
Incorrect statement: It is certain that an old man opens a bottle of wine for his wife .