Photographer shooting pictures of a old sign.
A photographer is taking pictures of a wedding party.
There can either be a photographer taking pictures of an old sign or taking pictures of a wedding party.
exists s1 x1 x2 x3 x4.(a_topic(x1) & of(x1,x4) & n_sign(x4) & a_old(s1) & Theme(s1,x4) & n_picture(x1) & of(x1,x3) & n_shooting(x3) & (x1 = x2) & ne_nam_photographer(x2))
exists e2 e1 x1 x2 x3.(Theme(e2,x2) & Actor(e2,x1) & v_take(e2) & of(x2,x3) & n_party(x3) & Actor(e1,x3) & v_wed(e1) & n_picture(x2) & n_photographer(x1))