Two go-cart drivers are racing on the racetrack.
Go-carts are on a racetrack.
Two drivers racing their Go-carts on a racetrack.
exists e1 s1 x1 x2.(n_racetrack(x2) & on(e1,x2) & Actor(e1,x1) & v_race(e1) & n_driver(x1) & a_go-cart(s1) & Theme(s1,x1) & card_eq_2(x1))
exists p1 x1.(exists x2.(on(x1,x2) & n_racetrack(x2)) & n_go-cart(x1))