docs: def refresh(self, count_common=4, min_common=1000, timeout=20):
          """
          Generate a new sentence
          :param int count_common: the number of words with minimal commonness
          :param int min_common: the minimal commonness based on Google common word list
          :param float timeout: time in seconds to timeout
          :return list of str: return tokens on success
  
          >>> GeneratePassword().refresh()
          ['The', 'men', 'in', 'power', 'are', 'committed', 'in', 'principle', 'to', 'modernization', ',', 'but', 'economic', 'and', 'social', 'changes', 'are', 'proceeding', 'only', 'erratically', '.']
          """
          start = time()
          while time() - start < timeout:
              tokens = [token for token, pos in self.brown.get_tagged_sent()]
              current_count = 0
              for word, commonness in self.sentence_tool.rate(tokens):
                  if commonness > min_common:
                      current_count += 1
                  if current_count >= count_common:
                      self.tokens = tokens
                      return self.tokens
  
          raise TimeoutError