An adult playing checkers with a young blond-haired boy.
Two women playing checkers.
Adult is singular whereas two women are plural.
exists s1 s2 s3 x1 x2 x3.(a_topic(x1) & with(x1,x3) & n_boy(x3) & a_blond-haired(s3) & Theme(s3,x3) & a_young(s2) & Theme(s2,x3) & n_checkers(x1) & of(x1,x2) & n_playing(x2) & a_adult(s1) & Theme(s1,x1))
exists e1 x1 x2 x3.(a_topic(x1) & Theme(e1,x3) & Actor(e1,x2) & v_play(e1) & n_checkers(x3) & (x1 = x2) & n_woman(x1) & card_eq_2(x1))