Two soccer players on a soccer field.
There are people on a soccer field.
The soccer players are people and they are on the soccer field.
exists x1 x2 x3 x4.(a_topic(x1) & on(x1,x3) & n_field(x3) & of(x3,x4) & n_soccer(x4) & n_player(x1) & of(x1,x2) & n_soccer(x2) & card_eq_2(x1))
exists p1 x1 x2 x3 x4.((x1 = x2) & on(x2,x3) & n_field(x3) & of(x3,x4) & n_soccer(x4) & n_people(x2))