An artist wearing a red and black sweater painting a mural on the side of a brick building .
There is a better than even chance that an artist has been commissioned to paint a mural on a building .
There is a better than even chance that an artist has been commissioned to paint a mural on a building .
It is highly unlikely that an artist has been commissioned to paint a mural on a building .
An artist has been commissioned to paint a mural on a building .