 Model description  CANARD dataset rewrites the original questions in conversations to make them context-independent (understandable w/o context). On the contrary, this model is trained to rewrite context-independent questions to conversational questions, aiming to create fluent dialog with anaphora and ellipsis.  Input:  ``` Rewrite the question according to the given context to make the dialog fluent using anaphora and ellipsis.  question: How did people respond to Superstar Billy Graham's return?  context: Superstar Billy Graham Return to WWWF (1977-1981) Why did he return to the WWWF? an agreement with promoter Vincent J. McMahon (Senior What was his agreement with McMahon? I don't know. ```  Target: ``` How did people respond to his return? ```  