A dog is playing with a hose.
The dog is biting the hose.
WE dont know if the dog is biting it.
exists e1 x1 x2.(with(e1,x2) & n_hose(x2) & Actor(e1,x1) & v_play(e1) & n_dog(x1))
exists e1 x1 x2.(n_hose(x2) & n_dog(x1) & Theme(e1,x2) & Actor(e1,x1) & v_bite(e1))