Two girls lift a third girl.
Two girls are picking up another girl
third girl implies that there is another girl.
exists e1 s1 x1 x2.(Theme(e1,x2) & Actor(e1,x1) & v_lift(e1) & n_girl(x2) & a_third(s1) & Theme(s1,x2) & n_girl(x1) & card_eq_2(x1))
exists e1 s1 x1 x2.(a_up(s1) & Manner(e1,s1) & Theme(e1,x2) & Actor(e1,x1) & v_pick(e1) & n_girl(x2) & -(x2 = x1) & n_girl(x1) & n_girl(x1) & card_eq_2(x1))