A man working in a metal shop
a man working
A man working is clearly defined.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x3) & n_shop(x3) & of(x3,x4) & n_metal(x4) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(a_topic(x1) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))