user_query: add green peppers to my shopping list 
response_text: Alright, I added green peppers.
user_query: display my shopping list 
response_text: You have two things on that list.
user_query: get my shopping list 
response_text: You have two things on that list.
User: Can you stop the workout on um on Fitbit?
Parse: Stop_exercise ( provider « Fitbit » )