question: What is necessary to make any changes to either document which governs the operations of the Royal Institute ?
answer: the Privy Council 's approval
turker_answer: The Privy Council 's approval is necessary to make any changes to either document which governs the operations of the Royal Institute .
rule-based: Necessary to make any changes to either document which governs the operations of the Royal Institute is the Privy Council 's approval .