A child plays on playground equipment.
There is a jungle gym.
The playground may be missing some equipment and may not have a jungle gym on it.
exists e1 x1 x2 x3.(on(e1,x2) & n_equipment(x2) & of(x2,x3) & n_playground(x3) & Actor(e1,x1) & v_play(e1) & n_child(x1))
exists p1 x1 x2 x3.((x1 = x2) & n_gym(x2) & of(x2,x3) & n_jungle(x3))