2 blond girls are sitting on a ledge in a crowded plaza.
the girls are twenty
2 blond girls are not necessarily twenty.
exists e1 s1 s2 x1 x2 x3.(in(e1,x3) & n_plaza(x3) & a_crowded(s2) & Theme(s2,x3) & on(e1,x2) & n_ledge(x2) & Actor(e1,x1) & v_sit(e1) & n_girl(x1) & a_blond(s1) & Theme(s1,x1) & n_date(x1) & a_date_day_02(x1) & a_date_day_02(x1))
exists p1 x1.(n_girl(x1) & exists x2.((x1 = x2) & n_thing(x2) & card_eq_20(x2)))