you for whatever reason if we want to turn a zebra into a horse or turn a horse into a zebra then it would be very difficult to force a zebra in a horse to take up exactly the same pose and take a picture of them having the exact correspondence so these are the kind of pair of data that would not exist in the real world and there are a lot of other applications so let's think back to machine translations so if we want to if I want to translate between Chinese and English or English and Germany that's relatively easy because there are