A woman in sweatpants is standing by the toilets.
A woman is waiting for a stall to open.
A woman standing by the toilets is not waiting for a stall to open.
exists e1 x1 x2 x3.(n_toilet(x3) & by(e1,x3) & Actor(e1,x1) & v_stand(e1) & in(x1,x2) & n_sweatpant(x2) & n_woman(x1))
exists e1 p1 x1 x2.(for(e1,x2) & Topic(x2,p1) & exists e2.(Actor(e2,x2) & v_open(e2)) & n_stall(x2) & Actor(e1,x1) & v_wait(e1) & n_woman(x1))