A bald eagle near a pond of water.
A hawk near a pond of water.
The bird is either an eagle or a hawk.
exists s1 x1 x2 x3.(a_topic(x1) & near(x1,x2) & of(x2,x3) & n_water(x3) & n_pond(x2) & n_eagle(x1) & a_bald(s1) & Theme(s1,x1))
exists x1 x2 x3.(a_topic(x1) & near(x1,x2) & of(x2,x3) & n_water(x3) & n_pond(x2) & n_hawk(x1))