People wait for trains in an empty train station.
People wait for their train in an desolate station.
"An desolate station" is a rephrasing of "a empty train station."
exists e1 s1 x1 x2 x3 x4.(for(e1,x2) & in(x2,x3) & n_station(x3) & of(x3,x4) & n_train(x4) & a_empty(s1) & Theme(s1,x3) & n_train(x2) & Actor(e1,x1) & v_wait(e1) & n_people(x1))
exists e1 x1 x2 x3 x4.(for(e1,x2) & in(x2,x3) & n_station(x3) & of(x3,x4) & n_desolate(x4) & n_train(x2) & of(x2,x1) & n_thing(x1) & Actor(e1,x1) & v_wait(e1) & n_people(x1))