Three children are playing in sand near to the beach.
The beach is on the ocean.
Just because children are playing the sand does not mean they are on the ocean.
exists e1 s1 x1 x2 x3 x4.(n_beach(x4) & in(e1,x2) & to(s1,x4) & Theme(s1,x3) & a_near(s1) & (x2 = x3) & n_sand(x2) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_3(x1))
exists p1 x1 x2.(n_ocean(x2) & n_beach(x1) & on(x1,x2))