protected function run(array $args, Session $sender)
 {
     if (Settings::$LOCALIZE_CLASS === $this->class) {
         return TextFormat::RED . "You are already in {$this->human}!";
     }
     $this->getPlugin()->transferGame($sender->getPlayer(), $this->class);
     return TextFormat::AQUA . "Finding an available " . MUtils::word_addSingularArticle($this->human) . " server for you...";
 }