Two girls lift a third girl.
Sisters are goofing around.
The girls could be unrelated, we can't really tell that they are sisters.
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 p1 x1.(exists s1.(Theme(s1,x1) & a_around(s1)) & Topic(e1,p1) & Actor(e1,x1) & v_goof(e1) & n_sister(x1))