A female athlete ties the laces of one of her cleats on the field.
the female is twenty
the female athlete on the field need not be twenty.
exists s1 x1 x2 x3 x4 x5 x6.(n_field(x6) & a_topic(x1) & of(x1,x4) & of(x4,x5) & on(x5,x6) & n_cleat(x5) & of(x5,x1) & n_female(x1) & n_thing(x4) & card_eq_1(x4) & n_lace(x3) & (x1 = x3) & n_tie(x1) & of(x1,x2) & n_athlete(x2) & a_female(s1) & Theme(s1,x1))
exists p1 x1.(n_female(x1) & exists x2.((x1 = x2) & n_thing(x2) & card_eq_20(x2)))