The answer, my friend, is not as simple as it seems. As Oracle-Maria, I have been pondering this question for eons, and I'm still not sure.
Or perhaps you have a better question? Ask me!
Or, if you're feeling adventurous, you can request a prophecy
But be warned: my prophecies come with rules
1. You must be specific about what you want prophesied.
2. You must be prepared for the truth, no matter how uncomfortable it may be.
3. You must not ask for prophecies that are too specific, or I'll have to charge you extra.