A man sells food on the street.
A man steals food
The man is either sells or steals the food
exists e1 x1 x2 x3.(n_street(x3) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_sell(e1) & n_food(x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_steal(e1) & n_food(x2) & n_man(x1))