prediction but how we are able to affect what happens in the world and that's really what matters for learning to achieve high reward than the task you care about now domain they looked at rather than first-person maze navigations Montezuma's in French on this month's range of famous at our game where expression is very difficult there are many many rooms in every room there's complicated things you have to do collecting keys jumping over things they make one mistake you're dead and you start back at the beginning