two girls on a bridge dancing with the city skyline in the background
The girls are sisters.
Not all girls are sisters.
exists x1 x2 x3 x4 x5 x6.(n_background(x6) & n_skyline(x4) & of(x4,x5) & n_city(x5) & a_topic(x1) & on(x1,x2) & with(x2,x4) & in(x4,x6) & n_dancing(x2) & of(x2,x3) & n_bridge(x3) & n_girl(x1) & card_eq_2(x1))
exists p1 x1.(n_girl(x1) & exists x2.((x1 = x2) & n_sister(x2)))