Two motorcyclist racing on an inclined track.
Two women are racing their motorcycles.
Not all motorcycle racers are women. Not all motorcycle racers race their motorcycles. Motorcyclists can race other vehicles besides motorcycles.
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_track(x3) & a_inclined(s1) & Theme(s1,x3) & n_racing(x1) & of(x1,x2) & n_motorcyclist(x2) & card_eq_2(x1))
exists e1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_race(e1) & n_motorcycle(x2) & of(x2,x1) & n_thing(x1) & n_woman(x1) & card_eq_2(x1))