They are playing with a soccer ball on the beach.
a family plays soccer on the beach in spain
Playing with a soccer ball on the beach doesn't necessarily mean that a family is in Spain.
exists e1 x1 x2 x3.(n_beach(x3) & with(e1,x1) & on(x1,x3) & n_ball(x1) & of(x1,x2) & n_soccer(x2) & Actor(e1,x1) & v_play(e1) & n_thing(x1))
exists e1 x1 x2 x3 x4.(n_beach(x3) & in(e1,x4) & n_spain(x4) & on(e1,x3) & Theme(e1,x2) & Actor(e1,x1) & v_play(e1) & n_soccer(x2) & n_family(x1))