Many people in orange jackets are working in the subway station.
Some people are milling around the subway in orange jackets.
Just because there are people working in the subway station, does not mean that there are some people that are milling around.
exists e1 x1 x2 x3 x4 x5.(n_station(x4) & of(x4,x5) & n_subway(x5) & in(e1,x4) & Actor(e1,x1) & v_work(e1) & in(x1,x2) & n_jacket(x2) & of(x2,x3) & n_orange(x3) & n_people(x1) & n_quantity(x1))
exists e1 x1 x2 x3 x4.(n_subway(x2) & in(e1,x3) & n_jacket(x3) & of(x3,x4) & n_orange(x4) & around(e1,x2) & Actor(e1,x1) & v_mill(e1) & n_people(x1))