A dog chews on a stick.
A dog has teeth.
Obviously the act of chewing by the dog is not possible without having teeth.
exists e1 x1 x2.(on(e1,x2) & n_stick(x2) & Actor(e1,x1) & v_chew(e1) & n_dog(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_tooth(x2) & n_dog(x1))