Two young women tackling each other while skating.
Two young women grab each other.
tackling each other is a rephrasing of grab each other.
exists s1 x1 x2.(a_topic(x1) & all x3.(n_other(x3) -> exists e2 e1.(while(e1,e2) & Actor(e2,x2) & v_skate(e2) & Theme(e1,x3) & Actor(e1,x2) & v_tackle(e1))) & (x1 = x2) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))
exists s1 x1.(all x2.(n_other(x2) -> exists e1.(Theme(e1,x2) & Actor(e1,x1) & v_grab(e1))) & n_woman(x1) & a_young(s1) & Theme(s1,x1) & card_eq_2(x1))