a child and a woman are sitting in front of a Christmas tree
A child and a woman are in front of a pine tree.
Christmas tree is different from pine tree.
exists e1 x1 x2 x3 x4 x5 x6.(in(e1,x4) & of(x4,x5) & n_tree(x5) & (x5 = x6) & ne_tim_christmas(x6) & n_front(x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_child(x2))
exists p1 x1 x2 x3.(exists x4 x5 x6.(in(x1,x4) & of(x4,x5) & n_tree(x5) & of(x5,x6) & n_pine(x6) & n_front(x4)) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_child(x2))