#advisory_board__planning_board  a board appointed to advise the chief administrator
  supertype:  #board.committee  a committee having supervisory powers; "the board has seven members"
  member of:  #governance
  subtype:  #cabinet.advisory_board  persons appointed by a head of state to head executive departments of government and act as official advisers
     subtype:  #British_Cabinet  the senior ministers of the British government
     subtype:  #United_States_Cabinet__US_Cabinet  a board to advise the President; members are the secretaries of executive departments; the United States constitution does not provide for the Cabinet

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