static LS ai_dropFillers_advanced_once(S s) {

  LS phrases = mL("Fillers");

  LS tokOriginal = javaTokNPunctuation_cached(s);

  LS tokS = cloneList(tokOriginal);

  int n = l(tokS);

  LL<S> tokPhrases = map javaTokNPunctuation_cached(phrases);

  LL<S> tokNonFillers = map javaTokNPunctuation_cached(mL("Not fillers"));

  // Mark non-fillers with stars

  for (int i = 1; i < n; i += 2)

    for (LS tokPhrase : tokNonFillers)

      if (codeTokenSubListEqualsIC(tokS, tokPhrase, i))

        for (int j = i; j < i+l(tokPhrase)-1; j += 2)

          tokS.set(j, "*");

  new LS out;

  for (int i = 1; i < n; i += 2)

    for (LS tokPhrase : tokPhrases)

      if (codeTokenSubListEqualsIC(tokS, tokPhrase, i))

        out.add(trimJoin(ai_dropTokens(tokOriginal, i, i+l(tokPhrase)-1)));

  ret out;

}