question: Which article stipulates that the structure of each Federal State 's government must `` conform to the principles of republican , democratic , and social government , based on the rule of law '' ?
answer: Article 28
turker_answer: Article 28 stipulates that the structure of each Federal State 's government must conform to the principles of republican , democratic , and social government , based on the rule of law .
rule-based: Article 28 stipulates that the structure of each Federal State 's government must `` conform to the principles of republican , democratic , and social government , based on the rule of law '' .