A race car is speeding along the racetrack.
A car on a racetrack.
A race car is speeding along the racetrack; therefore, a car is on the racetrack.
exists e1 x1 x2 x3.(n_racetrack(x3) & along(e1,x3) & Actor(e1,x1) & v_speed(e1) & n_car(x1) & of(x1,x2) & n_race(x2))
exists x1 x2.(a_topic(x1) & on(x1,x2) & n_racetrack(x2) & n_car(x1))