A girl is holding a fishing rod.
A girl is holding something
A fishing rod is something therefore a girl is holding something.
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_rod(x2) & of(x2,x3) & n_fishing(x3) & n_girl(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_hold(e1) & n_thing(x2) & n_girl(x1))