command or a prompt as the prefix like translate in English sentence to German and then it'll give it the English that is good and then t5 just through natural language rests that - you know dust is good or something and you know for all of these it does this basically so for the coolest sentences it'll predict the language phrase not acceptable and for you know STS STS B here's a kind of almost silly version where it's a it's a continuous valued sentence similarity prediction task and then they just have an output discreet token 3.8 so it has