question: What are British prime ministers part of that grants them the title Right Honourable ?
answer: Her Majesty 's Most Honourable Privy Council
turker_answer: The Her Majesty 's Most Honourable Privy Council grants the British prime minister the title Right honorable .
rule-based: British prime ministers part of that are grants her Majesty 's Most Honourable Privy Council them the title Right Honourable .