A woman and a child in front of a Christmas tree opening presents.
The people are celebrating Hanukkah.
If the people are celebrating Hanukkah, they won't Christmas tree opening presents.
exists s1 x1 x2 x3 x4 x5 x6 x7.(a_topic(s1) & subset_of(x2,s1) & in(x2,x3) & of(x3,x4) & n_present(x4) & of(x4,x7) & n_opening(x7) & of(x4,x6) & n_tree(x6) & (x4 = x5) & ne_tim_christmas(x5) & n_front(x3) & n_child(x2) & subset_of(x1,s1) & n_woman(x1))
exists e1 x1 x2.(ne_geo_hanukkah(x2) & n_people(x1) & Theme(e1,x2) & Actor(e1,x1) & v_celebrate(e1))