A man on a motorcycle is racing on a track.
A man is riding an elephant around a track.
An elephant and a motorcycle are two separate means of transportation.
exists e1 x1 x2 x3.(on(e1,x3) & n_track(x3) & Actor(e1,x1) & v_race(e1) & on(x1,x2) & n_motorcycle(x2) & n_man(x1))
exists e1 x1 x2 x3.(around(e1,x3) & n_track(x3) & Theme(e1,x2) & Actor(e1,x1) & v_ride(e1) & n_elephant(x2) & n_man(x1))