challenge: In which region of Australia was the Wanggamala language previously spoken?
  
  A. In the northern part of Western Australia, near the coast of the Timor Sea
  B. Around Hay River (east of Alice Springs) and to the south of the Andegerebinha-speaking area
  C. Around Uluru (Ayers Rock) and to the north of the Pitjantjatjara-speaking area
  D. In the southern part of the Northern Territory, bordering South Australia
  Answer: 