A driver is racing his Ford vehicle on a gravel track.
A man has parked his truck.
A man cannot be racing in a parked vehicle.
exists e1 x1 x2 x3 x4 x5.(Theme(e1,x2) & Actor(e1,x1) & v_race(e1) & on(x2,x4) & n_track(x4) & of(x4,x5) & n_gravel(x5) & n_vehicle(x2) & (x2 = x3) & ne_per_ford(x3) & of(x2,x1) & n_male(x1) & n_driver(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_park(e1) & n_truck(x2) & of(x2,x1) & n_male(x1) & n_man(x1))