public static void Show(string title, params string[] choices)
    {
        instance.root.SetActive(true);
        if (title != "")
        {
            header.Show(title);
        }
        else
        {
            header.Hide();
        }
        if (isShowingChoices)
        {
            instance.StopCoroutine(showingChoices);
        }
        ClearAllCurrentChoices();

        showingChoices = instance.StartCoroutine(ShowingChoices(choices));
    }