A couple on the beach with their child.
A family is enjoying a beach day.
A couple with their child means they are a family.
exists x1 x2 x3.(n_child(x3) & of(x3,x2) & n_thing(x2) & n_beach(x2) & a_topic(x1) & with(x1,x3) & on(x1,x2) & n_couple(x1))
exists e1 x1 x2 x3.(Theme(e1,x2) & Actor(e1,x1) & v_enjoy(e1) & n_day(x2) & of(x2,x3) & n_beach(x3) & n_family(x1))