A woman walking down the street.
A woman is on her way to a party.
A woman can walk down a street for many reasons therefore it cannot be assumed that the woman is on her way to a party.
exists e1 s1 x1 x2 x3.(n_street(x3) & a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & (x1 = x2) & n_woman(x1))
exists p1 x1 x2.(exists x3.(on(x1,x2) & to(x2,x3) & n_party(x3)) & n_way(x2) & of(x2,x1) & n_female(x1) & n_woman(x1))