Individual #Western_Australia__WA  a state containing the western third of Australia
  instance of:  Australian_state
  part:  Perth
  part of:  Australia__Commonwealth_of_Australia  a nation occupying the whole of the Australian continent; aboriginal tribes are thought to have migrated from southeastern Asia 20,000 years ago; first Europeans were British convicts sent there as a penal colony
     part of:  eastern_hemisphere__easternhemisphere__orient  the hemisphere that includes Eurasia and Africa and Australia
     part of:  southern_hemisphere  the hemisphere south of the equator
     part of:  Australasia  Australia, New Zealand, and neighboring islands in the South Pacific
        part of:  Pacific_Ocean__Pacific  the largest ocean in the world

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