Construction workers stand near tracks at night.
Workers are taking a break near the tracks.
Standing does not imply taking a break.
exists e1 x1 x2 x3 x4.(at(e1,x4) & n_night(x4) & near(e1,x3) & n_track(x3) & Actor(e1,x1) & v_stand(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists e1 x1 x2 x3.(n_track(x3) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & near(x2,x3) & n_break(x2) & n_worker(x1))