challenge: According to the Full Court of the Family Court of Australia's ruling in Ghazel & Ghazel and Anor, what is the status of a 'potentially polygamous' foreign marriage in Australia?
  
  A. It is considered a civil union but not a marriage
  B. It is considered valid, regardless of the couple's intentions
  C. It is considered valid but only if the couple does not practice polygamy
  D. It is considered invalid and not recognised
  Answer: 