A woman and child stand on the beach while sailboats sail on the ocean.
lady and kid on the sand
Standing on the beach tends to mean standing on the sand.
(-x)
exists s1 x1 x2 x3.(n_sand(x3) & a_topic(s1) & subset_of(x2,s1) & on(x2,x3) & n_kid(x2) & subset_of(x1,s1) & n_lady(x1))