There are two greyhounds racing around a dirt track.
Greyhounds are racing.
greyhounds racing around a dirt track  shows that  Greyhounds are racing.
exists p1 x1 e1 x2 x3 x4 x5.((x1 = x2) & around(e1,x4) & n_track(x4) & of(x4,x5) & n_dirt(x5) & Actor(e1,x3) & v_race(e1) & (x2 = x3) & n_greyhound(x2) & card_eq_2(x2))
exists e1 x1.(Actor(e1,x1) & v_race(e1) & n_greyhound(x1))