Administrative avoidance refers to a process in which civil servants of administrative agencies have an interest in the legal affairs they handle in the course of exercising their powers. In order to ensure the fairness of the results of the entity's processing and the progress of the procedures, the execution of their duties is terminated in accordance with the law and is represented by others Legal System. Based on the above definition, which of the following situations violates the rule of administrative avoidance? ['Husband is the direct executive leader of his wife.', 'Teacher promotes his students.', 'Police stationed abroad.', "The judge tried his friend's son."]