The old woman is opening her bag.
The woman is opening her suitcase.
The women could be any age not just an old women,  A suitcase could be called a bag, but a bag doesn't have to be a suitcase, could be any bag.
exists e1 s1 x1 x2.(n_bag(x2) & of(x2,x1) & n_female(x1) & n_woman(x1) & a_old(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_open(e1))
exists e1 x1 x2.(n_suitcase(x2) & of(x2,x1) & n_female(x1) & n_woman(x1) & Theme(e1,x2) & Actor(e1,x1) & v_open(e1))