A man shows a large hammer.
A man has a really big hammer and is doing work.
a man showing a large hammer does not imply he is doing work
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_show(e1) & n_hammer(x2) & a_large(s1) & Theme(s1,x2) & n_man(x1))
exists e1 e2 s1 x1 x2 x3 x4.(Theme(e2,x4) & Actor(e2,x3) & v_do(e2) & n_work(x4) & n_man(x3) & Theme(e1,x2) & Actor(e1,x1) & v_have(e1) & n_hammer(x2) & a_big(s1) & Theme(s1,x2) & r_really(x2) & n_man(x1))