public void updateChoiceButtons()
 {
     if (currentState.getChoice1Text() == "NULL")
     {
         //no choice to choose from, disable the button
         choice1Button.enabled = false;
         choice1Button.GetComponentInChildren <CanvasRenderer>().SetAlpha(0);
         choice1Button.GetComponentInChildren <Text>().color = Color.clear;
     }
     else
     {
         choice1Button.enabled = true;
         choice1Button.GetComponentInChildren <CanvasRenderer>().SetAlpha(100);
         choice1Button.GetComponentInChildren <Text>().color = Color.black;
         choice1.text = currentState.getChoice1Text();
     }
     //choice1.text = currentState.getChoice1Text();
     //Debug.Log("Inside updateChoice");
     if (currentState.getChoice2Text() == "NULL")
     {
         //no choice to choose from, disable the button
         choice2Button.enabled = false;
         choice2Button.GetComponentInChildren <CanvasRenderer>().SetAlpha(0);
         choice2Button.GetComponentInChildren <Text>().color = Color.clear;
     }
     else
     {
         choice2Button.enabled = true;
         choice2Button.GetComponentInChildren <CanvasRenderer>().SetAlpha(100);
         choice2Button.GetComponentInChildren <Text>().color = Color.black;
         choice2.text = currentState.getChoice2Text();
     }
 }