A construction worker is working on a support beam on a building.
A construction worker uses a drill on a support beam.
The construction worker is working on support beam does not infer he uses a drill to work on support beam.
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 e1 x1 x2 x3 x4 x5.(on(e1,x4) & n_beam(x4) & of(x4,x5) & n_support(x5) & Theme(e1,x3) & Actor(e1,x1) & v_use(e1) & n_drill(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))