solution for when we have new descriptions but no solutions so for example we have a new house coming onto the market we know all of the information obviously we know that number of rooms number of bathrooms all of that stuff but obviously it hasn't gone to market we don't know the price but we can use the previous examples we can train a model on this data to kind of come up with an estimate of the housing price based on the fact that we don't know based on all the information we do know so that's the general