A person jumping a horse over a fence.
A woman is jumping a horse over a large fence.
Not all people are woman.  Not all fences are large.
exists e1 x1 x2 x3 x4.(a_topic(x1) & over(e1,x4) & n_fence(x4) & Theme(e1,x3) & Actor(e1,x2) & v_jump(e1) & n_horse(x3) & (x1 = x2) & n_person(x1))
exists e1 s1 x1 x2 x3.(over(e1,x3) & n_fence(x3) & a_large(s1) & Theme(s1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_jump(e1) & n_horse(x2) & n_woman(x1))