A closeup of a hummingbird.
The hummingbird is flying.
The hummingbird could be standing, sitting, or flying.
exists x1 x2.(a_topic(x1) & of(x1,x2) & n_hummingbird(x2) & n_closeup(x1))
exists e1 x1.(n_hummingbird(x1) & Actor(e1,x1) & v_fly(e1))