Two children are playing on a makeshift barrel swing.
Two brothers are swinging from a barrel swing into a lake.
It is not implied that the two children are brothers. They are not necessarily swinging into a lake.
exists e1 x1 x2 x3 x4.(on(e1,x2) & n_swing(x2) & of(x2,x4) & n_barrel(x4) & of(x2,x3) & n_makeshift(x3) & Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_2(x1))
exists e1 x1 x2 x3 x4.(into(e1,x4) & n_lake(x4) & from(e1,x2) & n_swing(x2) & of(x2,x3) & n_barrel(x3) & Actor(e1,x1) & v_swing(e1) & n_brother(x1) & card_eq_2(x1))