A child rides in a Barney car.
A child is sitting on a rocking horse.
A child cannot be riding in a Barney car and sitting on a rocking horse at the same time.
exists e1 x1 x2 x3.(in(e1,x2) & n_car(x2) & (x2 = x3) & ne_geo_barney(x3) & Actor(e1,x1) & v_ride(e1) & n_child(x1))
exists e1 x1 x2 x3.(on(e1,x2) & n_horse(x2) & of(x2,x3) & n_rocking(x3) & Actor(e1,x1) & v_sit(e1) & n_child(x1))