Two dogs paying attention to each other.
Cats are napping.
cats and dogs are not the same.
exists e1 x1 x2.(all x3.(n_other(x3) -> to(e1,x3)) & Theme(e1,x2) & Actor(e1,x1) & v_pay(e1) & n_attention(x2) & n_dog(x1) & card_eq_2(x1))
exists e1 x1.(Actor(e1,x1) & v_nap(e1) & n_cat(x1))