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;
    }
    int score = 0;
    if (userMsg != null) {
      if (matchAny(mL("Yes Feedback Words"), userMsg.text))
        ++score;
      if (matchAny(mL("No Feedback Words"), userMsg.text))
        --score;
      print("Checked user msg: " + userMsg.text + " => " + score);
    }
    if (score != 0)
      for (S rule : rules) { // todo: distinguish between multiple rules
        if (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" : "negative") + " feedback (" + quote(userMsg.text) + ") when fired on msg " + msg.globalID + " at " + msg.date);
      }
  }
}