Women shopping for purses.
Women shop for black purses.
Woman shop for purses of all colors not just black.
exists x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_purse(x3) & n_shopping(x1) & (x1 = x2) & ne_nam_women(x2))
exists s1 x1 x2 x3.(a_topic(x1) & for(x1,x3) & n_purse(x3) & a_black(s1) & Theme(s1,x3) & n_shop(x1) & (x1 = x2) & ne_nam_women(x2))