Two children and their parents are on the floor opening presents.
The children are opening their Christmas presents with their family.
Not all presents are Christmas presents.
exists p1 x1 x2 x3 x4 x5 x6.(n_present(x4) & of(x4,x6) & n_opening(x6) & of(x4,x5) & n_floor(x5) & on(x1,x4) & subset_of(x3,x1) & n_parent(x3) & of(x3,x2) & n_thing(x2) & subset_of(x2,x1) & n_child(x2) & card_eq_2(x2))
exists e1 x1 x2 x3 x4.(n_family(x4) & of(x4,x1) & n_thing(x1) & n_thing(x1) & n_present(x2) & (x2 = x3) & ne_tim_christmas(x3) & of(x2,x1) & n_child(x1) & with(e1,x4) & Theme(e1,x2) & Actor(e1,x1) & v_open(e1))