A closeup of a hummingbird.
A humming bird at a feeder.
The hummingbird could be flying, sitting or at a feeder.
exists x1 x2.(a_topic(x1) & of(x1,x2) & n_hummingbird(x2) & n_closeup(x1))
exists s1 x1 x2.(a_topic(x1) & at(x1,x2) & n_feeder(x2) & n_bird(x1) & a_humming(s1) & Theme(s1,x1))