Two young kids play and run.
Two children playing.
Children are kids.
exists s1 s2 s3 x1 x2 x3.(n_run(x2) & a_.(s3) & Theme(s3,x2) & n_play(x1) & of(x1,x3) & n_kid(x3) & a_young(s2) & Theme(s2,x1) & card_eq_2(x1) & subset_of(x2,s1) & subset_of(x1,s1) & a_topic(s1))
exists e1 x1.(Actor(e1,x1) & v_play(e1) & n_child(x1) & card_eq_2(x1))