In order to promote the "Jiancaijinwanjia" campaign, Wanjia service companies asked market analysts to analyze the market prospects of the event at the two local universities. According to the market analyst's report, the two universities have gathered many national Senior intellectuals who provide cleaned and cleaned dishes can save them a lot of housework time and do a good job of teaching and scientific research, so they will be welcomed by them. Which of the following? If true, the above conclusions can be weakened most. ['The price of net vegetables is only slightly higher than the vegetables sold in the general market.', 'Most of the families in these two universities have hired part-time workers for various household chores.', 'The flower samples of net vegetables are less than the vegetables sold in the general market, I am afraid that it can not meet the taste of so many teachers in these two universities.', 'Buying clean dishes is still a new thing for most of the teachers in these two universities. I am afraid there must be an adaptation process.']