Premise: A black singer with short , spiked hair plays guitar and sings , while a bassist plays behind him .
Correct statement: There is a better than even chance that a band is performing for money .
Incorrect statement: Chances are slight that a band is performing for money .
Correct statement: We believe that the leader of a band is singing while while his band plays behind him during a concert .
Incorrect statement: Chances are slight that the leader of a band is singing while while his band plays behind him during a concert .
Correct statement: There is a better than even chance that a black singer is playing guitar at an amphitheater with his bassist .
Incorrect statement: There is almost no chance that a black singer is playing guitar at an amphitheater with his bassist .
Correct statement: It is probably the case that a singer is performing at a concert
Incorrect statement: It is probably not the case that a singer is performing at a concert
Correct statement: It is highly unlikely that the singer and bassist are over age twenty-five .
Incorrect statement: We believe that the singer and bassist are over age twenty-five .