Two girls are swinging together on a tire swing.
Two girls are on a tire swing.
There are girls on a swing in both examples.
exists e1 p1 x1 x2 x3.(on(e1,x2) & n_swing(x2) & of(x2,x3) & n_tire(x3) & exists s1.(Theme(s1,x1) & a_together(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_swing(e1) & n_girl(x1) & card_eq_2(x1))
exists p1 x1.(exists x2 x3.(on(x1,x2) & n_swing(x2) & of(x2,x3) & n_tire(x3)) & n_girl(x1) & card_eq_2(x1))