A young boy plays in the water by the ocean.
A kid plays in the ocean.
Young boy is a kid, and ocean implies 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 e1 x1 x2.(n_ocean(x2) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_kid(x1))