Four girls eat breakfast at a convention.
Four star trek fans eating breakfast
Not all girls are star trek fans.
exists e1 x1 x2 x3.(at(e1,x3) & n_convention(x3) & Theme(e1,x2) & Actor(e1,x1) & v_eat(e1) & n_breakfast(x2) & n_girl(x1) & card_eq_4(x1))
exists e1 x1 x2 x3 x4 x5.(a_topic(x1) & Theme(e1,x5) & Actor(e1,x4) & v_eat(e1) & n_breakfast(x5) & (x1 = x4) & n_fan(x1) & of(x1,x3) & n_trek(x3) & of(x1,x2) & n_star(x2) & card_eq_4(x1))