A dog leaping over a chain.
A dog jumps over something.
leaping is jumping
exists e1 x1 x2 x3.(a_topic(x1) & over(e1,x3) & n_chain(x3) & Actor(e1,x2) & v_leap(e1) & (x1 = x2) & n_dog(x1))
exists x1 x2 x3.(a_topic(x1) & over(x1,x3) & n_thing(x3) & n_jump(x1) & of(x1,x2) & n_dog(x2))