A large black dog chews on a stick.
Dog chewing on a stick.
A large black dog is a type of dog.
exists s1 s2 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_stick(x3) & n_chew(x1) & of(x1,x2) & n_dog(x2) & a_black(s2) & Theme(s2,x1) & a_large(s1) & Theme(s1,x1))
exists e1 x1 x2.(ne_nam_dog(x1) & on(e1,x2) & n_stick(x2) & Actor(e1,x1) & v_chew(e1))