A man working on a circuit board
A man working to fix the Hubble space telescope.
Either the man is working on a circuit board, or the Hubble space telescope.
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x3) & n_board(x3) & of(x3,x4) & n_circuit(x4) & Actor(e1,x2) & v_work(e1) & (x1 = x2) & n_man(x1))
exists e1 p1 x1 x2 x3 x4 x5.(n_telescope(x3) & of(x3,x5) & n_space(x5) & (x3 = x4) & ne_nam_hubble(x4) & a_topic(x1) & Topic(e1,p1) & Actor(e1,x2) & v_work(e1) & exists e2.(Theme(e2,x3) & Actor(e2,x2) & v_fix(e2)) & (x1 = x2) & n_man(x1))