static bool ctxDoNextActionInRule(WoodyRule rule) {

  L<CtxCase> actions = ctxCases(rule.body);

  if (nempty(actions)) {

    S actionSelector = rule.properties.get('ACTIONSELECTOR);

    if (empty(actionSelector)) actionSelector = 'TILLEND;

    bool random = eqOneOf(actionSelector, 'RANDOMLOOP, 'RANDOM);

    //bool loop = eqOneOf(actionSelector, 'RANDOMLOOP);

    S name = rule.longName();

    BitSet bs = conversation->randomLoopMap.get(name);

    if (bs == null) {

      conversation->randomLoopMap.put(name, bs = new BitSet);

      conversation->change();

    }

    new L<Int> candidates;

    for i over actions: if (!bs.get(i)) candidates.add(i);

    // start over with all candidates

    if (empty(candidates)) {

      bs.clear();

      conversation->change();

      for i over actions: candidates.add(i);

    }

    int idx = random ? random(candidates) : first(candidates);

    bs.set(idx);

    candidates.remove((Int) idx);

    conversation->change();

    CtxCase action = actions.get(idx);

    ctxProcessAction(action.action);

    S a = mapGet(action.properties, 'ANALYZER);

    print("doNextAction analyzer=" + a);

    if (a != null) ctxContext().activeAnalyzer = a;

    ctxContext().nextRule = rule.properties.get('GOTO);

    S goTo = action.properties.get('GOTO);

    if (goTo != null) ctxContext().nextRule = goTo;

    print("Candidates left: " + l(candidates) + " of " + l(actions));

    if (empty(candidates) && l(actions) > 1) {

      print("No more candidates. nextRule=" + ctxContext().nextRule);

      if (/*loop &&*/ ctxContext().nextRule == null)

        ctxContext().thinkagain = true;

    }

    true;

  }

  false;

}