Three men work behind a short wall.
mens at work behind a wall
It cannot be inferred that the men are at work.
exists e1 s1 x1 x2.(behind(e1,x2) & n_wall(x2) & a_short(s1) & Theme(s1,x2) & Actor(e1,x1) & v_work(e1) & n_man(x1) & card_eq_3(x1))
exists x1 x2 x3.(a_topic(x1) & behind(x1,x3) & n_wall(x3) & at(x1,x2) & n_work(x2) & n_men(x1))