Four firefighters in yellow helmets direct a hose.
Policemen with glasses direct traffic.
There are either firefighters or policeman. The people are either directing a hose or directing traffic.
exists e1 s1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_direct(e1) & n_hose(x3) & in(x1,x2) & n_helmet(x2) & a_yellow(s1) & Theme(s1,x2) & n_firefighter(x1) & card_eq_4(x1))
exists s1 x1 x2 x3.(a_topic(x1) & with(x1,x2) & n_traffic(x2) & a_direct(s1) & Theme(s1,x2) & of(x2,x3) & n_glass(x3) & n_policeman(x1))