Seven men in orange work at night on a railway, next to a train.
They are coworkers.
Just because seven men work at night on a railway does not mean they are coworkers. They could be police and the media reviewing an accident site.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & in(x1,x2) & on(x2,x5) & to(s1,x7) & n_train(x7) & Theme(s1,x6) & a_next(s1) & (x5 = x6) & n_railway(x5) & at(x2,x4) & n_night(x4) & n_work(x2) & of(x2,x3) & n_orange(x3) & n_man(x1) & card_eq_7(x1))
exists p1 x1.(n_thing(x1) & exists x2.((x1 = x2) & n_coworker(x2)))