user_query: Ikea
response_text: OK, I made a list called "Ikea".
user_query: make one
response_text: Alright, what do you want to call it?
user_query: show me my Ikea list
response_text: You have one thing on that list.
User: Take a panoramic photo of the mountains.
Parse: Take_photo ( format « panoramic » subject « the mountains » )