A dog jumps toward a couch
A big dog jumps toward a couch
Not all dogs are big.
exists e1 x1 x2.(toward(e1,x2) & n_couch(x2) & Actor(e1,x1) & v_jump(e1) & n_dog(x1))
exists s1 x1 x2 x3.(a_topic(x1) & toward(x1,x3) & n_couch(x3) & n_jump(x1) & of(x1,x2) & n_dog(x2) & a_big(s1) & Theme(s1,x1))