A group of three women and one man peer into a store window.
The four people are friends.
People looking in the same store aren't necessarily friends.
exists x1 x2 x3 x4 x5 x6 x7.(a_topic(x1) & into(x1,x6) & n_window(x6) & of(x6,x7) & n_store(x7) & of(x1,x2) & n_peer(x4) & of(x4,x5) & n_man(x5) & card_eq_1(x4) & n_woman(x3) & card_eq_3(x3) & subset_of(x4,x2) & subset_of(x3,x2) & n_group(x1))
exists p1 x1.(n_people(x1) & card_eq_4(x1) & exists x2.((x1 = x2) & n_friend(x2)))