public function onRun(array $args, Faction $faction, Player $player)
 {
     $chunk = Chunk::fromObject($player);
     if (!$faction->getMemberRank($player)->hasPerm(Rank::P_UNCLAIM_CENTER) and $faction->isCentreLocation($player)) {
         return self::NO_PERM;
     }
     return ($result = $faction->unclaim($chunk)) === true ? "The chunk you are standing in has been unclaimed." : $result;
 }