“So the dimensionality of the space is kind of unthinkably high. It's also not exactly clear what constitutes an object here. If you were going to behave in this world, it would be a very long sequence of primitive actions that you would take in order to clean this kitchen. And also there's just a fundamental amount of uncertainty in this problem, right? So you don't know what's in the blue bowl or what will happen if you try to pull out a certain thing. You don't know when the people are coming home or what they want for dinner all sorts of stuff you don't know.”