Two women walk down a street.
The two friends are driving to a party.
Two friends are not necessarily women and walking is impossible while driving.
exists e1 x1 x2.(down(e1,x2) & n_street(x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1) & card_eq_2(x1))
exists e1 x1 x2.(n_friend(x1) & card_eq_2(x1) & to(e1,x2) & n_party(x2) & Actor(e1,x1) & v_drive(e1))