Women walking down a city sidewalk.
The women are driving down the street.
One cannot be driving and walking at the same time.  A street is not the sidewalk.
exists e1 s1 x1 x2 x3 x4.(a_topic(x1) & a_down(s1) & Manner(e1,s1) & Theme(e1,x3) & Actor(e1,x2) & v_walk(e1) & n_sidewalk(x3) & of(x3,x4) & n_city(x4) & (x1 = x2) & n_woman(x1))
exists e1 x1 x2.(n_street(x2) & n_woman(x1) & down(e1,x2) & Actor(e1,x1) & v_drive(e1))