Education experts in a certain city suggest that education resources can be allocated by averaging teachers according to age, professor subject and title level, so that education equity can be achieved and social problems caused by attending key middle schools can be solved. Which of the following, if true, would most weaken the above expert opinion? ['Many teachers from former key middle schools expressed support for this.', 'Ordinary high schools have asked for increased funding to strengthen school hardware construction.', 'Some key middle school teachers require teaching in secondary schools outside the city.', 'Most students and parents object.']