Some men are working on a scaffolding at the front of a building.
Some men are breaking into a building disguised as repair workers.
working on  is not the same as breaking into
exists e1 x1 x2 x3 x4.(n_front(x3) & at(e1,x3) & of(x3,x4) & n_building(x4) & on(e1,x2) & n_scaffolding(x2) & Actor(e1,x1) & v_work(e1) & n_man(x1))
exists e1 e2 x1 x2 x3 x4 x5.(into(e1,x2) & as(e2,x4) & n_worker(x4) & of(x4,x5) & n_repair(x5) & Theme(e2,x3) & v_disguise(e2) & (x2 = x3) & n_building(x2) & Actor(e1,x1) & v_break(e1) & n_man(x1))