two girls in white dresses standing by large horses.
No animals are here.
Horses are animals, so there cannot simultaneously be no animals.
exists e1 s1 s2 x1 x2 x3 x4.(a_topic(x1) & in(x1,x2) & by(e1,x4) & n_horse(x4) & a_large(s2) & Theme(s2,x4) & Actor(e1,x3) & v_stand(e1) & (x2 = x3) & n_dress(x2) & a_white(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_2(x1))
-exists s1 x1.(Theme(s1,x1) & a_here(s1) & n_animal(x1))