You manage a product group in an organization. A Scrum Master is concerned with the very low availability of the Product Owner for her team. The Product Owner has subject matter expertise that is very difficult to duplicate or replace, but he has several other important responsibilities as well. The Scrum Master has discussed her concern with the Product Owner, but the Developers are still struggling to deliver value without additional guidance from the Product Owner. The Scrum Master is asking you for some guidance. What is the best way for you to help the Scrum Master?