// First Hall Method
    public int index = 0;
    public List<string> texts = new List<string>() { "text1", "text2", "text3" };
    void state_hall_1()
    {
        currentText.text = texts[index];
        if (Input.GetKeyDown(KeyCode.Space))
        {
            if (index != texts.Count)
            {
                index+=1;
                currentText.text = texts[index];
            }

        }
        if(index >= texts.Count){
                if (Input.GetKeyDown(KeyCode.C))
                {
                    currentState = States.c_1;
                }
        }
    }