    Sentence 1: Under the. overmechanicat assumptions of  affirrnative-action opponents themselves. tarid putting  ‘aside the racial. IQ:.theories:.of Mufray and: some  btheis). blacks wauld; move up the list“ and ‘whites  would:hove down. .    Sentence .2: The assumpticns, of affizmative ‘action  oppanents are overly mechanical.