A construction worker is working on a support beam on a building.
The construction worker is on lunch break.
it is either working or on a lunch break
exists e1 x1 x2 x3 x4 x5.(on(e1,x3) & on(x3,x5) & n_building(x5) & n_beam(x3) & of(x3,x4) & n_support(x4) & Actor(e1,x1) & v_work(e1) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1 x2.(n_worker(x1) & of(x1,x2) & n_construction(x2) & exists x3 x4.(on(x1,x3) & n_break(x3) & of(x3,x4) & n_lunch(x4)))