Reverse incentive refers to the phenomenon that the original intention of the policy design and the actual implementation effect are "contrary to which of the following is expected". Once the reverse incentive effect is triggered, it will not only worsen the status quo, damage the credit of policymakers, but also further strengthen the related negative consequences, which will eventually cause a vicious circle. According to the above definitions, Which of the following are not inverse incentives:. ['In order to reverse the law and order problem, the United States issued a ban on alcohol in the last century, but the sales of alcohol have not fallen but have risen, and this has caused new crimes.', 'In order to rectify the rule of officials and strict judicial trials, Song Sect of the Song Dynasty ordered all officials who could find the wrong facts to be promoted to the next level. As a result, this measure became a weapon for the new and old officials to attack each other.', "provides good material conditions for the child's growth, but it allows him to develop a vice of good and bad.", 'Teacher helps shy students overcome stressful problems in the classroom by intentionally asking questions to shy students.']