A woman is walking on the sidewalk with another person following behind her.
A woman is being followed.
Just becuse another person is following behind her does not mean she is being followed.
exists e2 e1 x1 x2 x3 x4.(n_female(x2) & n_person(x3) & n_sidewalk(x2) & for(e1,e2) & behind(e2,x2) & Actor(e2,x1) & v_follow(e2) & with(e1,x4) & n_person(x4) & -(x4 = x3) & on(e1,x2) & Actor(e1,x1) & v_walk(e1) & n_woman(x1))
exists e1 x1.(Theme(e1,x1) & v_follow(e1) & n_woman(x1))