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 .
It is likely that he is showing his granddaughter how to play the guitar .
There is little chance that he is showing his granddaughter how to play the guitar .
It is likely that he is showing his granddaughter how to play the guitar .
He is showing his granddaughter how to play the guitar .