code: private function convertQuestion(Question $question)
      {
          $buttons = Collection::make($question->getButtons())->map(function ($button) {
              return [
                  'label' => $button['text'],
                  'metadata' => $button['value']
              ];
          });
  
          return [
              'text' => $question->getText(),
              'quick_reply' => [
                  'type'=>'options',
                  'options' => $buttons->toArray(),
              ],
          ];
      }
docs: Convert a Question object into a valid Twitter message object.
  
  @param \BotMan\BotMan\Messages\Outgoing\Question $question
  @return array