A couple play in the tide with their young son.
The family is on vacation.
We have no idea if they are on vacation or just a weekend.
exists s1 x1 x2 x3 x4.(n_son(x4) & a_young(s1) & Theme(s1,x4) & of(x4,x3) & n_thing(x3) & n_tide(x3) & a_topic(x1) & with(x1,x4) & in(x1,x3) & n_play(x1) & of(x1,x2) & n_couple(x2))
exists p1 x1.(n_family(x1) & exists x2.(on(x1,x2) & n_vacation(x2)))