having labels so having the audio file and the accompanying labels it's just so difficult to come up with all of that so that's the problem with supervised learning is it's not always possible to get this kind of labeled data but then there are times that the housing prices that is definitely possible because you would have things like that on record and the good thing about modern times is that there's a ton of data being collected all the time by different apps and things like that and in those circumstances you often come up with a