sharing functions between a game object and a scriptable object,Functions between a scriptable object and game objects

So I've got a scriptable object and a game object, the game object needs to access the function on the scriptable object. I'm really new to unity and have attempted it in the code below. However, I get an error telling me:

An object reference is required for the non-static field, method, or property 'State.GetStateStory()'

Here's my code:

scriptable object:

 public class State : ScriptableObject
 {
     [TextArea(14, 10)] [SerializeField] string storyText;
     
     public string GetStateStory()
     {
         return storyText;
     }
 } 
 
 

Game Object:

 public class AdventureGame : MonoBehaviour {
 
 
 
    [SerializeField] Text textCompoment;
    [SerializeField] state startingState;
 
 
     State currentState;
 
   
     // Use this for initialization
     void Start () {
  
         currentState = startingState;
         textCompoment.text = State.GetStateStory();
   
         
     }
     ...

Starting State will (when it functions) contain for displayed text in a UI text box.

I appreciate any help you can give me.