Children playing with broken office equipment.
Children practice typing on an old computer.
Not all broken office things are old computers. Not all children have to practice typing.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x3) & n_equipment(x3) & of(x3,x4) & n_office(x4) & a_broken(s1) & Theme(s1,x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1))
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_computer(x4) & a_old(s1) & Theme(s1,x4) & Actor(e1,x3) & v_type(e1) & (x1 = x3) & n_practice(x1) & (x1 = x2) & ne_nam_children(x2))