Three children are playing in sand near to the beach.
Three children playing in sand with parents
Just because children are playing in sand it does not mean they are with parents.
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 e1 x1 x2 x3 x4.(a_topic(x1) & with(e1,x4) & n_parent(x4) & in(e1,x3) & n_sand(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1) & card_eq_3(x1))