A yellow motorcycle is being ridden on a racetrack.
A yellow motorcycle is winning the race.
Riding on a racetrack does not always imply participating in a race or winning a race.
exists e1 s1 x1 x2.(on(e1,x2) & n_racetrack(x2) & Theme(e1,x1) & v_ride(e1) & n_motorcycle(x1) & a_yellow(s1) & Theme(s1,x1))
exists e1 s1 x1 x2.(n_race(x2) & Theme(e1,x2) & Actor(e1,x1) & v_win(e1) & n_motorcycle(x1) & a_yellow(s1) & Theme(s1,x1))