static S sendToCentralBot(S line, O... args) {
    line = format3(line, args);
    
    //print("Sending to remote bot " + quote(botName) + ": " + quote(shorten(line, 100)));
    
    DialogIO io = talkTo("second.tinybrain.de", 4999);
    S greeting = io.readLine();
    
    print(">> " + line);
    io.sendLine(line);
    S answer = io.readLine();
    print ("<< " + answer);
    io.close();
    return answer;
  }