A dog is playing with a hose.
The cat is playing with a hsoe.
Dog and cat are different animals.
exists e1 x1 x2.(with(e1,x2) & n_hose(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 x1 x2.(n_cat(x1) & with(e1,x2) & n_hsoe(x2) & Actor(e1,x1) & v_play(e1))