Two horses are neck to neck at a race.
Two cows are neck to neck at a race.
Horses and cows are different species of animals.
exists s1 x1 x2 x3.(at(s1,x3) & n_race(x3) & to(s1,x2) & n_neck(x2) & Theme(s1,x1) & a_neck(s1) & n_horse(x1) & card_eq_2(x1))
exists s1 x1 x2 x3.(at(s1,x3) & n_race(x3) & to(s1,x2) & n_neck(x2) & Theme(s1,x1) & a_neck(s1) & n_cow(x1) & card_eq_2(x1))