A little boy and a little girl are walking up a hill with trees on both sides.
A boy and girl are playing video games.
Walking up a hill contradicts with playing video games.
exists e1 s1 s2 s3 x1 x2 x3 x4 x5 x6.(n_side(x6) & on(e1,x6) & with(e1,x5) & n_tree(x5) & a_up(s3) & Manner(e1,s3) & Theme(e1,x4) & Actor(e1,x1) & v_walk(e1) & n_hill(x4) & subset_of(x3,x1) & n_girl(x3) & a_little(s2) & Theme(s2,x3) & subset_of(x2,x1) & n_boy(x2) & a_little(s1) & Theme(s1,x2))
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x4) & Actor(e1,x1) & v_play(e1) & n_game(x4) & of(x4,x5) & n_video(x5) & n_girl(x3) & n_boy(x2) & subset_of(x3,x1) & subset_of(x2,x1))