challenge: Which of the following iwi (tribes) are part of the Hauraki-Waikato electorate?
  
  A. Ngāpuhi, Rongowhakaata, Te Whānau-ā-Apanui, Ngāti Maniapoto
  B. Tūhoe, Ngāti Whātua, Ngāti Maniapoto, Te Ati Haunui-a-Pāpārangi
  C. Ngāi Tahu, Ngāti Porou, Te Arawa, Ngāti Toa
  D. Ngāi Tai, Ngāti Huia, Ngāti Mahuta, Ngāti Maru
  Answer: 