A seagull on a picnic table at a dock.
A seagull is on a picnic table eating.
What is he eating.
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x2) & at(x2,x4) & n_dock(x4) & n_table(x2) & of(x2,x3) & n_picnic(x3) & n_seagull(x1))
exists p1 x1.(exists x2 x3 x4.(on(x1,x2) & n_eating(x2) & of(x2,x4) & n_table(x4) & of(x2,x3) & n_picnic(x3)) & n_seagull(x1))