a woman is holding a piece of wood while a man is drilling it.
A man and a women are building a chair.
It is not implied that the man and women are building a chair with the wood.
exists e1 p1 x1 x2 x3.(exists e2 x4.(Theme(e2,x1) & Actor(e2,x4) & v_drill(e2) & n_man(x4)) & n_thing(x1) & while(e1,p1) & Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & of(x2,x3) & n_wood(x3) & n_piece(x2) & n_woman(x1))
exists e1 x1 x2 x3 x4.(Theme(e1,x4) & Actor(e1,x1) & v_build(e1) & n_chair(x4) & subset_of(x3,x1) & n_woman(x3) & subset_of(x2,x1) & n_man(x2))