Premise: A man in a uniform with glasses is playing a french horn .
Correct statement: Chances are about even that a person is practicing for his upcoming performance
Incorrect statement: It is certain that a person is practicing for his upcoming performance
Correct statement: We believe that a man is performing a song .
Incorrect statement: It is unlikely that a man is performing a song .
Correct statement: Chances are about even that an older person playing a song .
Incorrect statement: It is impossible that an older person playing a song .
Correct statement: There is a better than even chance that a man plays the french horn to the growing crowd
Incorrect statement: It is improbable that a man plays the french horn to the growing crowd
Correct statement: There is a better than even chance that a person is getting ready to perform his musical ability .
Incorrect statement: Chances are slight that a person is getting ready to perform his musical ability .