Two friends outside on their way somewhere.
Three friends outside on their way somewhere.
There is either two friends or three friends.
exists x1 x2 x3.(a_topic(x1) & on(x2,x3) & r_somewhere(x3) & n_way(x3) & of(x3,x1) & n_thing(x1) & outside(x1,x2) & n_thing(x2) & n_friend(x1) & card_eq_2(x1))
exists x1 x2 x3.(a_topic(x1) & on(x2,x3) & r_somewhere(x3) & n_way(x3) & of(x3,x1) & n_thing(x1) & outside(x1,x2) & n_thing(x2) & n_friend(x1) & card_eq_3(x1))