A man paints an orange wall.
A man is painting an orange wall.
A man paints and a man is painting mean the same thing.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_wall(x2) & of(x2,x3) & n_orange(x3) & n_man(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_wall(x2) & of(x2,x3) & n_orange(x3) & n_man(x1))