Two motorcyclist racing on an inclined track.
The only vehicle that anyone who is visible has ever driven is a car or SUV.
There should be visible motorcycles but there is only car and SUV. Have to be either be driving car or motorcycles, one or the other, not both at same time.
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 p1 x1.(all x2.(n_vehicle(x2) -> (x1 = x2)) & n_vehicle(x1) & exists x6.((x1 = x6) & (n_car(x6) | n_suv(x6))) & all x3.(n_person(x3) -> exists e1 s1 s2 x4 x5.(a_ever(s2) & Manner(e1,s2) & Theme(e1,x5) & Actor(e1,x3) & v_drive(e1) & (x1 = x5) & Theme(s1,x4) & a_visible(s1) & (x3 = x4))))