The suspended painter is painting a wall.
No one is painting on a wall.
The painter is either painting or no one is painting.
exists e1 s1 x1 x2.(n_painter(x1) & a_suspended(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_wall(x2))
-exists e1 x1 x2 x3.(on(e1,x3) & n_wall(x3) & Theme(e1,x2) & Actor(e1,x1) & v_paint(e1) & n_thing(x2) & n_one(x1))