Three children playing on a beach.
Three children are inside playing nintendo
On a beach is outside, not inside.
exists e1 x1 x2 x3.(a_topic(x1) & on(e1,x3) & n_beach(x3) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_child(x1) & card_eq_3(x1))
exists p1 x1.(exists s1 x2 x3.((x1 = x2) & n_nintendo(x2) & of(x2,x3) & n_playing(x3) & a_inside(s1) & Theme(s1,x2)) & n_child(x1) & card_eq_3(x1))