A bunch of birds outside of a building.
The birds are black.
Not all birds are black.
exists x1 x2 x3 x4.(a_topic(x1) & of(x3,x4) & n_building(x4) & outside(x1,x3) & n_thing(x3) & of(x1,x2) & n_bird(x2) & n_bunch(x1))
exists s1 x1.(n_bird(x1) & Theme(s1,x1) & a_black(s1))