A woman on a couch is cradling a cat.
A woman is holding a kitten.
Not all cats are a kitten.
exists e1 x1 x2 x3.(Theme(e1,x3) & Actor(e1,x1) & v_cradle(e1) & n_cat(x3) & on(x1,x2) & n_couch(x2) & n_woman(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_kitten(x2) & n_woman(x1))