A man is standing at a urban intersection.
Police officer flagging traffic in the city.
Man is not necessarily a police officer.
exists e1 s1 x1 x2.(at(e1,x2) & n_intersection(x2) & a_urban(s1) & Theme(s1,x2) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists e1 x1 x2 x3 x4 x5.(n_city(x5) & a_topic(x1) & in(e1,x5) & Theme(e1,x4) & Actor(e1,x3) & v_flag(e1) & n_traffic(x4) & (x1 = x3) & n_officer(x1) & of(x1,x2) & n_police(x2))