A young boy plays in the water by the ocean.
Two girls sunbath on a deck.
Girls are not boys.  Two people is not one. Being on a deck is not in the water.
exists s1 x1 x2 x3 x4.(n_ocean(x4) & n_water(x3) & a_topic(x1) & in(x1,x3) & by(x3,x4) & n_play(x1) & of(x1,x2) & n_boy(x2) & a_young(s1) & Theme(s1,x1))
exists x1 x2 x3.(a_topic(x1) & on(x1,x3) & n_deck(x3) & n_sunbath(x1) & of(x1,x2) & n_girl(x2) & card_eq_2(x1))