Two kids playing together.
the kids are young
not all kids are young.
exists e1 s1 x1 x2.(a_topic(x1) & a_together(s1) & Manner(e1,s1) & Actor(e1,x2) & v_play(e1) & (x1 = x2) & n_kid(x1) & card_eq_2(x1))
exists s1 x1.(n_kid(x1) & Theme(s1,x1) & a_young(s1))