A group of men paint on a series of canvasses in front of a brick wall on a public street .
It is impossible that a few men are giving an art demostration on the street for school children .
It is impossible that a few men are giving an art demostration on the street for school children .
It is probable that a few men are giving an art demostration on the street for school children .
A few men are giving an art demostration on the street for school children .