Construction workers balance on a narrow beam far above the ground.
Construction workers balancing themselves on a beam are at their place of employment
Construction workers balancing on a beam are possibly above ground and probably/certainly at work.
exists s1 x1 x2 x3 x4 x5.(n_ground(x5) & a_topic(x1) & on(x1,x4) & n_far(x4) & above(x4,x5) & n_beam(x4) & a_narrow(s1) & Theme(s1,x4) & n_balance(x1) & of(x1,x3) & n_worker(x3) & of(x1,x2) & n_construction(x2))
exists e1 p1 x1 x2 x3 x4 x5 x6.(n_place(x6) & of(x6,x4) & n_thing(x4) & n_group(x4) & exists x7.(at(x1,x6) & of(x6,x7) & n_employment(x7)) & on(e1,x5) & n_beam(x5) & Theme(e1,x4) & Actor(e1,x3) & v_balance(e1) & (x1 = x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))