Three workers in fluorescent orange clothing cleaning the subway tracks.
The workers are wearing white coats.
Fluorescent orange clothing is different from white coats.
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))
exists e1 s1 x1 x2.(n_worker(x1) & Theme(e1,x2) & Actor(e1,x1) & v_wear(e1) & n_coat(x2) & a_white(s1) & Theme(s1,x2))