user_query: add an item to my walmart list
response_text: What do you want to add?
user_query: actually add an item to my kmart list instead
response_text: I couldn't find a list called "Kmart."
user_query: create one and add an item
response_text: OK, I made a list called "One".
user_query: no
response_text: OK
User: Stop my walk on my smartwatch.
Parse: Stop_exercise ( activity « walk » device « smartwatch » )