Three horses and a person against a sunset.
Two horses are against a sunset.
two and three are not the same.
exists s1 x1 x2 x3.(a_topic(s1) & subset_of(x2,s1) & against(x2,x3) & n_sunset(x3) & n_person(x2) & subset_of(x1,s1) & n_horse(x1) & card_eq_3(x1))
exists p1 x1.(exists x2.(against(x1,x2) & n_sunset(x2)) & n_horse(x1) & card_eq_2(x1))