People are playing near the ocean.
People are playing.
Playing is a restatement of playing near the ocean.
exists e1 x1 x2.(n_ocean(x2) & near(e1,x2) & Actor(e1,x1) & v_play(e1) & n_people(x1))
exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_people(x1))