An older man with a white beard , wearing a blue shirt and blue baseball cap , is playing guitar to a small black girl sitting on a red stool .
Chances are about even that an old man teaching a girl how to play a guitar .
Chances are about even that an old man teaching a girl how to play a guitar .
It is almost certain that an old man teaching a girl how to play a guitar .
An old man teaching a girl how to play a guitar .