A man stands at the passenger door of an emergency vehicle.
An old man standing by a police car.
We cannot tell that he is old or that the vehicle is a police car from sentence one.
exists e1 x1 x2 x3 x4 x5.(n_door(x2) & of(x2,x3) & n_passenger(x3) & at(e1,x2) & of(x2,x4) & n_vehicle(x4) & of(x4,x5) & n_emergency(x5) & Actor(e1,x1) & v_stand(e1) & n_man(x1))
exists s1 x1 x2 x3 x4.(a_topic(x1) & by(x1,x3) & n_car(x3) & of(x3,x4) & n_police(x4) & n_standing(x1) & of(x1,x2) & n_man(x2) & a_old(s1) & Theme(s1,x1))