readme: This model is trained for conversational question rewriting.
  
  Usage:
  
  Source text format: ${HISTORY} ||| ${CURRENT_QUESTION}
  
  example from [CANARD](https://sites.google.com/view/qanta/projects/canard):
  Frank Zappa ||| Disbandment ||| What group disbanded ||| Zappa and the Mothers of Invention ||| When did they disband?
  
  Target text:
  When did Zappa and the Mothers of Invention disband?
  
  
  You can find our guide to reproduce the training in this [repo](https://github.com/castorini/chatty-goose/blob/c7d0cd8c45354b09b5fb930ab0b5af8be2e5772b/docs/t5_finetuning.md).