A bearded man plays guitar leaning against a white wall .
Chances are about even that a bearded man plays a song for a crowd while leaning agaisnt a white wall on a street corner .
Chances are about even that a bearded man plays a song for a crowd while leaning agaisnt a white wall on a street corner .
It is impossible that a bearded man plays a song for a crowd while leaning agaisnt a white wall on a street corner .
A bearded man plays a song for a crowd while leaning agaisnt a white wall on a street corner .