Construction workers work on railroad tracks at night.
There are construction workers that love their job.
Construction workers being in the job site doesn't imply that any of them love their job.
exists e1 x1 x2 x3 x4 x5.(at(e1,x5) & n_night(x5) & on(e1,x3) & n_track(x3) & of(x3,x4) & n_railroad(x4) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & Theme(e1,x5) & Actor(e1,x4) & v_love(e1) & n_job(x5) & of(x5,x2) & n_thing(x2) & (x2 = x4) & n_worker(x2) & of(x2,x3) & n_construction(x3))