A man supervising workers in a workshop.
A man supervises workers.
Someone supervising the workers supervises them.
exists e1 x1 x2 x3 x4.(a_topic(x1) & in(e1,x4) & n_workshop(x4) & Theme(e1,x3) & Actor(e1,x2) & v_supervise(e1) & n_worker(x3) & (x1 = x2) & n_man(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_supervise(e1) & n_worker(x2) & n_man(x1))