A female is opening up a present.
A female did not get any gifts.
A female cannot be opening up a present if she did not get any gifts.
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_open(e1) & n_present(x2) & n_female(x1))
exists x1.(-all x2.(n_gift(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_get(e1))) & n_female(x1))