A little boy is standing on the street while a man in overalls is working on a stone wall .
It is probably the case that the man has to pull the boy off of the street as a car comes speeding past .
It is impossible that the man has to pull the boy off of the street as a car comes speeding past .
It is probably the case that the man has to pull the boy off of the street as a car comes speeding past .
The man has to pull the boy off of the street as a car comes speeding past .