two older men are discussing something on a street corner with graffiti in the background .
There is a better than even chance that two old men discuss how they can add to the graffiti .
There is a better than even chance that two old men discuss how they can add to the graffiti .
It is improbable that two old men discuss how they can add to the graffiti .
Two old men discuss how they can add to the graffiti .