public void SetModalDialogTextMultiple(string message, Answer answer1, Answer answer2 = null, Answer answer3 = null, Answer answer4 = null) 
	{
		HideExtraAnswers();
		modalDialogMessageText.text = message;
		FirstAnswerButton.onClick.RemoveAllListeners();// clean up previous listeners
		FirstAnswerText.text = answer1.buttonText;
		FirstAnswerButton.onClick.AddListener(() => answer1.AnswerClick()); 

		if (answer2 != null) 
		{
			SecondAnswerButton.onClick.RemoveAllListeners ();
			SecondAnswerText.text = answer2.buttonText;
			SecondAnswerButton.gameObject.SetActive (true);
			SecondAnswerButton.onClick.AddListener (() => answer2.AnswerClick ()); 
		}
		if (answer3 != null) 
		{
			ThirdAnswerButton.onClick.RemoveAllListeners ();
			ThirdAnswerText.text = answer3.buttonText;
			ThirdAnswerButton.gameObject.SetActive (true);
			ThirdAnswerButton.onClick.AddListener (() => answer3.AnswerClick ()); 
		}
		if (answer4 != null) 
		{
			ForthAnswerButton.onClick.RemoveAllListeners ();
			ForthAnswerText.text = answer4.buttonText;
			ForthAnswerButton.gameObject.SetActive (true);
			ForthAnswerButton.onClick.AddListener (() => answer4.AnswerClick ()); 
		}
	}
	/// <summary>
	/// Sets/Changes the modal dialog text.
	/// </summary>
	/// <param name="message">Message.</param>
	/// <param name="answer">Answer.</param>
	/// <param name="finishGame">If set to <c>true</c> finish game.</param>
	/// <param name="firstLevel">If set to <c>true</c> first level.</param>
	public void SetModalDialogText(string message, Answer answer, bool finishGame = false, bool firstLevel = false) //TODO remove extra params - need to handle these differently.
	{
		HideExtraAnswers();
		FirstAnswerButton.onClick.RemoveAllListeners();// clean up previous listeners
		modalDialogMessageText.text = message;
		FirstAnswerText.text = answer.buttonText;
		FirstAnswerButton.onClick.AddListener(() => answer.AnswerClick()); //may need to revisit this!
	}