An older man sawing a piece of metal on the edge.
The old tradesman is cutting a piece of metal for his newest project.
An older man sawing metal is not necessarily a tradesman. The fact that he is sawing a piece of metal doesn't indicate he's working on his newest project.
exists e1 s1 x1 x2 x3 x4 x5.(n_edge(x5) & a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_saw(e1) & on(x3,x5) & of(x3,x4) & n_metal(x4) & n_piece(x3) & (x1 = x2) & n_man(x1) & r_more(s1) & a_older(s1) & Theme(s1,x1))
exists e1 s1 s2 x1 x2 x3 x4.(n_project(x4) & r_most(s2) & a_newest(s2) & Theme(s2,x4) & of(x4,x1) & n_male(x1) & n_tradesman(x1) & a_old(s1) & Theme(s1,x1) & Theme(e1,x2) & Actor(e1,x1) & v_cut(e1) & for(x2,x4) & of(x2,x3) & n_metal(x3) & n_piece(x2))