Two little boys are racing each other while a little girl watches them.
Two girls are racing each other while a young boy is playing video games.
Two girls are the opposite of two boys. A boy is playing is the opposite of a girls who watches.
exists s1 x1.(all x2.(n_other(x2) -> exists e1 p1.(exists e2 s2 x3.(Theme(e2,x1) & Actor(e2,x3) & v_watch(e2) & n_girl(x3) & a_little(s2) & Theme(s2,x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_race(e1))) & n_thing(x1) & n_boy(x1) & a_little(s1) & Theme(s1,x1) & card_eq_2(x1))
exists x1.(all x2.(n_other(x2) -> exists e1 p1.(exists e2 s1 x3 x4 x5.(Theme(e2,x4) & Actor(e2,x3) & v_play(e2) & n_game(x4) & of(x4,x5) & n_video(x5) & n_boy(x3) & a_young(s1) & Theme(s1,x3)) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_race(e1))) & n_girl(x1) & card_eq_2(x1))