Nighttime transportation crews are wearing their orange work clothes as they building train tracks.
Workers are building rails for transportation.
Transportation crews are workers and train tracks consist of rails, so they are the workers building rails for transportation.
exists e2 e1 e3 s1 x1 x2 x3 x4 x5 x6 x7 x8 x9 x10.(as(e2,x1) & Theme(e3,x9) & Actor(e3,x8) & v_build(e3) & n_track(x9) & of(x9,x10) & n_train(x10) & (x1 = x8) & n_thing(x1) & n_thing(x1) & Theme(e2,x2) & Actor(e2,x1) & v_event(e2) & Theme(e1,x5) & Actor(e1,x4) & v_wear(e1) & n_clothes(x5) & of(x5,x7) & n_work(x7) & of(x5,x6) & n_orange(x6) & of(x5,x1) & (x2 = x4) & n_crew(x2) & of(x2,x3) & n_transportation(x3) & a_nighttime(s1) & Theme(s1,x2))
exists e1 x1 x2 x3.(for(e1,x3) & n_transportation(x3) & Theme(e1,x2) & Actor(e1,x1) & v_build(e1) & n_rail(x2) & n_worker(x1))