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: I would like to manually enter a 1 hour jog on RunKeeper.
Parse: Log_exercise ( activity « jog » duration « 1 hour » provider « RunKeeper » )