user_query: Put garlic on the list
response_text: OK. Which list do you want to add to?
user_query: Put shallot on the list instead
response_text: OK. Which list do you want to add to?
user_query: Grocery
response_text: What do you want to add?
User: Take a picture in umm groupie mode
Parse: Take_photo ( instrument « groupie » )