A girl plays in an inflatable pool.
The girl is on a rollercoaster.
The girl cannot be on a rollercoaster and playing in an inflatable pool at the same time.
exists e1 s1 x1 x2.(in(e1,x2) & n_pool(x2) & a_inflatable(s1) & Theme(s1,x2) & Actor(e1,x1) & v_play(e1) & n_girl(x1))
exists p1 x1.(n_girl(x1) & exists x2.(on(x1,x2) & n_rollercoaster(x2)))