that difference like the discrepancy like and I've seen I know at least internally at Amazon I have some colleagues we're doing some stuff that was like how many so many unsupervised examples what I like look the fire fiber choosing it by the cost of like how much would I pay to get a million unsupervised examples versus a hundred extra labeled ones or something like that and these numbered skin you know could be it could be a very big difference so I wonder with 1 million versus two hundred thousand is are sort