static void ai_tg_collectRuleFeedback(Map<S, Int> ruleScores, Collection<S> out_facts) {

  replace Msg with TelegramMsg. // We're lazy!

  LPair<Msg, LS> l = serverTelegramLog_plusFiredRules();

  for i over l: {

    LS rules = l.get(i).b;

    if (empty(rules)) continue;

    Msg msg = l.get(i).a;

    int j = i+1;

    while (j < l(l) && l.get(j).a.sent) ++j; // Find next user msg

    L<Msg> nextMsgs = pairsA(subList(l, i+1, j+1));

    Msg userMsg = null;

    if (nempty(nextMsgs)) {

      for (Msg m : nextMsgs)

        if (userMsg == null && !m.sent) userMsg = m;

    }

    if (userMsg == null) continue;

    int score = 0, ruleNr = 0;

    S s = userMsg.text;

    new Matches m;

    if "* to number *" {

      s = $1; ruleNr = parseInt($2);

    }

    if (matchAny(mL("Yes Feedback Words"), s))

      ++score;

    if (matchAny(mL("No Feedback Words"), s))

      --score;

    // Rules seem to be in the right order w/respect to output lines

    for (S rule : ruleNr == 0 ? rules : ll(rules.get(ruleNr-1))) {

      if (score != 0 && ruleScores != null)

        ruleScores.put(rule, toInt(ruleScores.get(rule))+score);

      if (out_facts != null)

        out_facts.add("rule " + format_arg(rule) + " had "

          + (score > 0 ? "positive" : score < 0 ? "negative" : "possible") + " feedback (" + quote(userMsg.text) + ") when fired on msg " + msg.globalID + " at " + msg.date);

    }

  }

  if (out_facts != null)

    addToMechList("Rule Feedback", out_facts);

}