user_query: Add Phil Jackson, Erik Spoelstra and Steve Kerr to Best Coach List.
response_text: I couldn't find a list called "Best Coach." Do you want me to make one?
user_query: yes
response_text: OK, I made a list called "Best Coach" and added those three things.
User: End my uh end my cardio workout.
Parse: Stop_exercise ( activity « cardio » )