can actually start bringing these techniques into the real world, and I think that's going to be a really interesting line of research as well. All right. So, I'll stop there and I'll take some last minute questions thank you. >> Yes so, I guess, in the real world often you don't know the rules of the game, you don't know them in advance, [inaudible] situation. >> Right. >> But you do observe the outcomes of players. Have you thought about trying to, what works with race when you go into a situation where you don't know