A man sawing wood on a fence.
A tall man cutting.
Any man who is not taller can also cut.
exists e1 x1 x2 x3 x4.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_saw(e1) & on(x3,x4) & n_fence(x4) & n_wood(x3) & (x1 = x2) & n_man(x1))
exists s1 x1 x2.(a_topic(x1) & n_cutting(x1) & of(x1,x2) & n_man(x2) & a_tall(s1) & Theme(s1,x1))