Two dogs play with a toy.
Two animals are playing with an object.
A dog is an animal and a toy is an object. Play and playing describe the same activity.
exists e1 x1 x2.(with(e1,x2) & n_toy(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1) & card_eq_2(x1))
exists e1 x1 x2.(with(e1,x2) & n_object(x2) & Actor(e1,x1) & v_play(e1) & n_animal(x1) & card_eq_2(x1))