user_query: I want to remove onions off my shopping list 
response_text: Sure, I deleted onions.
user_query: I want to add onions to my shopping list 
response_text: Got it, I added onions.
user_query: I want to get my shopping list 
response_text: You have two things on that list.
User: pause, no stop my run at this moment please
Parse: Stop_exercise ( activity « run » )