Three kids on a scooter with three wheels.
The kids were taking turns riding on the scooter.
Kids can be on a scooter and not be taking turns.
exists x1 x2 x3.(a_topic(x1) & on(x1,x2) & with(x2,x3) & n_wheel(x3) & card_eq_3(x3) & n_scooter(x2) & n_kid(x1) & card_eq_3(x1))
exists e1 e2 x1 x2 x3.(n_scooter(x3) & n_kid(x1) & for(e1,e2) & on(e2,x3) & Actor(e2,x1) & v_ride(e2) & Theme(e1,x2) & Actor(e1,x1) & v_take(e1) & n_turn(x2))