A little boy next to a pool.
A little boy swimming on a pool.
The boy cannot be in a swimming pool and next to a pool at the same time.
exists s1 x1 x2 x3.(a_topic(x1) & to(x2,x3) & n_pool(x3) & next(x1,x2) & n_thing(x2) & n_boy(x1) & a_little(s1) & Theme(s1,x1))
exists s1 x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_pool(x3) & n_swimming(x1) & of(x1,x2) & n_boy(x2) & a_little(s1) & Theme(s1,x1))