code: def focused_on_tweet(request):
      
      slots = request.get_slot_map()
      if "Index" in slots and slots["Index"]:
          index = int(slots['Index'])
  
      elif "Ordinal" in slots and slots["Index"]:
          parse_ordinal = lambda inp : int("".join([l for l in inp if l in string.digits]))
          index = parse_ordinal(slots['Ordinal'])
      else:
          return False
          
      index = index - 1 # Going from regular notation to CS notation
      user_state = twitter_cache.get_user_state(request.access_token())
      queue = user_state['user_queue'].queue()
      if index < len(queue):
          # Analyze tweet in queue
          tweet_to_analyze = queue[index]
          user_state['focus_tweet'] = tweet_to_analyze
          return index + 1 # Returning to regular notation
          twitter_cache.serialize()
      return False
docs: Return index if focused on tweet False if couldn't