A man is directing traffic in the rain.
The man is a police officer.
A man directing traffic is not assumed to be a police officer.
exists e1 x1 x2 x3.(n_rain(x3) & in(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_direct(e1) & n_traffic(x2) & n_man(x1))
exists p1 x1.(n_man(x1) & exists x2 x3.((x1 = x2) & n_officer(x2) & of(x2,x3) & n_police(x3)))