question: Which four classes made up the ancient - Chamorro society ?
answer: chamorri ( chiefs ) , matua ( upper class ) , achaot ( middle class ) , and mana ` chang ( lower class )
turker_answer: Chamorri ( chiefs ) , matua ( upper class ) , achaot ( middle class ) , and mana ` chang ( lower class ) made up the ancient - Chamorro society .
rule-based: Made up chamorri ( chiefs ) , matua ( upper class ) , achaot ( middle class ) , and mana ` chang ( lower class the ancient - Chamorro society .