a cyclist riding with no hands in a race.
cat chases pigeon
One is a cyclist, and the other is a cat.
exists x1 x2.(-exists x3 x4.(a_topic(x1) & with(x1,x3) & in(x3,x4) & n_race(x4) & n_hand(x3)) & n_riding(x1) & of(x1,x2) & n_cyclist(x2))
exists x1 x2 x3.(n_pigeon(x1) & of(x1,x3) & n_chase(x3) & of(x1,x2) & n_cat(x2) & a_topic(x1))