static LL<GazelleLine> gazelle_monologues(O... _) {
  int minLength = optPar minLength(_, 2);
  int maxDelay = optPar maxDelay(_, 5000);
  new LL<GazelleLine> out;
  for (long channelID : dm_discord_allChannelIDs()) {
    L<GazelleLine> l = dm_discord_linesInChannel(channelID);
    for i over l: {
      int j = i+1;
      if (!l.get(i).bot) continue;
      while (j < l(l) && l.get(j).bot && l.get(j).timestamp <= l.get(j-1).timestamp+maxDelay) ++j;
      if (j-i >= minLength)
        out.add(cloneSubList(l, i, j));
      i = j-1;
    }
  }
  ret out;
}