A boy is playing in the ocean waves.
A boy is playing in the Atlantic Ocean.
Not all oceans are the Atlantic Ocean.
exists e1 x1 x2 x3.(n_wave(x2) & of(x2,x3) & n_ocean(x3) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))
exists e1 x1 x2 x3.(ne_geo_ocean(x2) & (x2 = x3) & ne_geo_atlantic(x3) & in(e1,x2) & Actor(e1,x1) & v_play(e1) & n_boy(x1))