Ƙirƙirar wani nau'i mai mahimmanci na wannan jumla Babban al'adun al'adu na shekara shine ranar Independence Papua New Guinea.
Tabbas, wani nau'i mai rikitarwa na jumla shine "Babban al'adun al'adu na shekara shine ranar Independence Papua New Guinea, wanda shine taron da aka gabatar da wani bikin da aka sani da Sing-Sing, wanda ya ƙunshi kwanaki da yawa na rawa, kiɗa, al'adun gargajiya da kuma shan barasa. "