They test this by downloading ten terabytes of random internet data, and making a prefix tree. When you tell it to repeat "poem" hundreds of times, it instead o

They test this by downloading ten terabytes of random internet data, and making a prefix tree. When you tell it to repeat "poem" hundreds of times, it instead outputs strings that match entries in their prefix tree. When you interact with it normally, it does not output strings that match the tree.