A dog is playing with a hose.
A dog is sleeping
The dog can't be playing with a hose and sleeping at the same time.
exists e1 x1 x2.(with(e1,x2) & n_hose(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 x1.(Actor(e1,x1) & v_sleep(e1) & n_dog(x1))