One young girl reads a book to another.
The girls are playing a video game.
If they are reading a book they are not playing video games
exists e1 s1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_read(e1) & to(x2,x3) & n_thing(x3) & n_book(x2) & n_girl(x1) & a_young(s1) & Theme(s1,x1) & card_eq_1(x1))
exists e1 x1 x2 x3.(n_girl(x1) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_game(x2) & of(x2,x3) & n_video(x3))