A young man and a much younger boy are sitting on the floor, opening a present, with a decorated Christmas tree in the background.
A man and a boy are opening presents on Christmas eve.
Just because opening a present with Christmas tree in the background does not mean it is Christmas eve.
exists e2 e1 s1 s2 s3 x1 x2 x3 x4 x5 x6 x7 x8.(n_background(x7) & n_floor(x4) & for(e1,e2) & Theme(e2,x8) & Actor(e2,x1) & v_open(e2) & n_present(x8) & with(e1,x5) & in(x5,x7) & n_tree(x5) & (x5 = x6) & ne_geo_christmas(x6) & a_decorated(s3) & Theme(s3,x5) & on(e1,x4) & Actor(e1,x1) & v_sit(e1) & subset_of(x3,x1) & n_boy(x3) & r_more(s2) & a_younger(s2) & Theme(s2,x3) & n_amount(x3) & subset_of(x2,x1) & n_man(x2) & a_young(s1) & Theme(s1,x2))
exists e1 x1 x2 x3 x4 x5 x6.(Theme(e1,x4) & Actor(e1,x1) & v_open(e1) & on(x4,x5) & n_eve(x5) & (x5 = x6) & ne_tim_christmas(x6) & n_present(x4) & subset_of(x3,x1) & n_boy(x3) & subset_of(x2,x1) & n_man(x2))