Three workers in fluorescent orange clothing cleaning the subway tracks.
Three inmates in a work program plot their escape through the subway tunnels while pretending to clean.
Workers in fluorescent orange clothing are not always inmates. Cleaning the subway tracks and pretending to clean are different actions.
exists e1 s1 x1 x2 x3 x4 x5 x6.(n_track(x5) & of(x5,x6) & n_subway(x6) & a_topic(x1) & in(x1,x2) & Theme(e1,x5) & Actor(e1,x4) & v_clean(e1) & (x2 = x4) & n_clothing(x2) & of(x2,x3) & n_orange(x3) & a_fluorescent(s1) & Theme(s1,x2) & n_worker(x1) & card_eq_3(x1))
(x)