Two dogs are running side by side through long grass.
those two dogs are husband and wife
Two dogs cannot be husband and wife.
exists e1 s1 x1 x2 x3 x4.(through(e1,x4) & n_grass(x4) & a_long(s1) & Theme(s1,x4) & by(e1,x3) & n_side(x3) & Theme(e1,x2) & Actor(e1,x1) & v_run(e1) & n_side(x2) & n_dog(x1) & card_eq_2(x1))
exists p1 x1.(n_dog(x1) & card_eq_2(x1) & exists x2 x3 x4.((x1 = x2) & subset_of(x4,x2) & n_wife(x4) & subset_of(x3,x2) & n_husband(x3)))