Two pre-teen girls listening to music on an MP3 player with headphones.
The player is a cd player.
The music player cannot be both a cd player and MP3 player.
exists e1 s1 x1 x2 x3 x4 x5 x6.(a_topic(x1) & to(e1,x3) & on(x3,x4) & with(x4,x6) & n_headphone(x6) & n_player(x4) & of(x4,x5) & n_mp3(x5) & n_music(x3) & Actor(e1,x2) & v_listen(e1) & (x1 = x2) & n_girl(x1) & a_pre-teen(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(n_player(x1) & exists x2 x3.((x1 = x2) & n_player(x2) & of(x2,x3) & n_cd(x3)))