A construction worker assembles a scaffold.
The lawyer was at court.
Construction worker and lawyer are different.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_assemble(e1) & n_scaffold(x3) & n_worker(x1) & of(x1,x2) & n_construction(x2))
exists p1 x1.(n_lawyer(x1) & exists x2.(at(x1,x2) & n_court(x2)))