a young boy playing in a pool.
The boy is standing on the sand.
The boy cannot be standing in the pool whilst playing in the sand.
exists s1 x1 x2 x3.(a_topic(x1) & in(x1,x3) & n_pool(x3) & n_playing(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists e1 x1 x2.(n_sand(x2) & n_boy(x1) & on(e1,x2) & Actor(e1,x1) & v_stand(e1))