Four men wearing orange vests are walking in a field.
The four men are all friends
The men are not necessarily friends.
exists e1 e2 x1 x2 x3 x4 x5.(in(e2,x5) & n_field(x5) & Actor(e2,x1) & v_walk(e2) & Theme(e1,x3) & Actor(e1,x2) & v_wear(e1) & n_vest(x3) & of(x3,x4) & n_orange(x4) & (x1 = x2) & n_man(x1) & card_eq_4(x1))
exists p1 x1.(n_man(x1) & card_eq_4(x1) & all x2.(n_friend(x2) -> (x1 = x2)))