Thanks for checking it out! I typically use them to determine the nature of the And and But modifiers to the yes and no. Example: My characters had tied up a spy they found and left him in a closet. When they came back later, I asked the oracle if they were still there and I got "No, but..." so I rolled on the change the scene table and got "foreshadow a threat", which I interpreted as "not only did the spy escape, but the ropes appear burned, could he be a mage hiding his powers...?" (magic is forbidden and powerful in this game's setting)
Another example: You want to determine if an NPC likes another so you ask "Is Lord Pembroke on friendly terms with the King?" and get "Yes, But..." and then I rolled on event seeds and got "Conflict". I interpret these as "Lord Pembroke and the King are on friendly terms usually, but recent events have forced them into conflict with each other"