A policewoman directs traffic.
A tired policewoman is signaling traffic.
Not all policewoman are tired.
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_direct(e1) & n_traffic(x2) & n_policewoman(x1))
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_signal(e1) & n_traffic(x2) & n_policewoman(x1) & a_tired(s1) & Theme(s1,x1))