Two jockeys on horses are racing down a track.
Two monkeys chasing cheetahs on a track.
Jockeys and monkeys are different.
exists e1 s1 x1 x2 x3.(a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x1) & v_race(e1) & n_track(x3) & on(x1,x2) & n_horse(x2) & n_jockey(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(a_topic(x1) & on(e1,x4) & n_track(x4) & Theme(e1,x3) & Actor(e1,x2) & v_chase(e1) & n_cheetah(x3) & (x1 = x2) & n_monkey(x1) & card_eq_2(x1))