user_query: creat grocery list
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: add lemon, mint and cucumber 
response_text: OK, what do you want to call it?
user_query: Clear all the grocery items from my grocery shopping list 
response_text: It looks like that list is already empty.
User: I need to start the workout, I mean run.
Parse: Start_exercise ( activity « run » )