code: def build_response_card(title, subtitle, options):
      
      buttons = None
      if options is not None:
          buttons = []
          for i in range(min(5, len(options))):
              buttons.append(options[i])
  
      return {
          'contentType': 'application/vnd.amazonaws.card.generic',
          'version': 1,
          'genericAttachments': [{
              'title': title,
              'subTitle': subtitle,
              'buttons': buttons
          }]
      }
docs: Build a responseCard with a title, subtitle, and an optional set of options which should be displayed as buttons.