A woman stands looking at art on the wall.
A woman is staring intently at a painting.
Not all art on the wall is painting.
exists e1 e2 x1 x2 x3.(n_wall(x3) & for(e1,e2) & on(e2,x3) & at(e2,x2) & n_art(x2) & Actor(e2,x1) & v_look(e2) & Actor(e1,x1) & v_stand(e1) & n_woman(x1))
exists e1 s1 x1 x2.(a_intently(s1) & Manner(e1,s1) & at(e1,x2) & n_painting(x2) & Actor(e1,x1) & v_stare(e1) & n_woman(x1))