@Override
    public void messageReceived(MessageEvent arg0) {
        final String msg = arg0.getMessage().toLowerCase();
        if (msg.contains("you successfully chop away some ivy.")) {
            chopped++;
        }
        if (msg.contains("a bird's nest falls out of the") && !Inventory.isFull()) {
            System.out.println("A bird's nest fell on the ground!");
            nest = true;
        }
    }