filtering hate speech detection all kinds of stuff yes right well yeah here you know what those words are right it's just you you it's not right it's not it's supervised running with two differences what is you don't have a extraneous piece of data us submission to predict so basically you're not asking you to perform any task although that understanding the input data the internal structure of input data second thing is that prediction cannot be known exactly because you know you can't predict exactly which word is going to