private void UpdateStatement(Statement statement)
    {        
        if (statement == null)
        {
            return;
        }

        statementText.text = statement.text;

        // Retire les réponses précédentes
        for(int i = 0; i < repliesRootPanel.childCount; i++)
        {
            Transform child = repliesRootPanel.GetChild(i);
            if (child.GetComponent<UIStatementButton>() != null)
            {
                Destroy(child.gameObject);               
            }
        }

        // Ajoute les nouvelles
        List<Statement> reponses = statement.GetStatementsVisibles();
        for(int i = 0; i < reponses.Count; i++)
        {
            AddStatement(reponses[i]);
        }
    }