if (cmd.getName().equalsIgnoreCase("whatteam")
                    && sender instanceof Player) {
                if (red.containsKey(player)) {
                    player.sendMessage(ChatColor.RED + "You are in team Red!");
                } else if (blue.containsKey(player)) {
                    player.sendMessage(ChatColor.BLUE + "You are in team Blue!");
                } else
                    player.sendMessage("You are in no teams!");
            }
            if (cmd.getName().equalsIgnoreCase("leaveteam")) {
                if (red.containsKey(player)) {
                    player.sendMessage(ChatColor.RED
                            + "You have left your team!");
                    red.remove(player);
                }
                if (blue.containsKey(player)) {
                    blue.remove(player);
                    player.sendMessage(ChatColor.BLUE
                            + "You have left your team!");
                }