user_query: create a costco list
response_text: Got it, I made a list called "Costco".
user_query: add baked chicken
response_text: Alright. Baked chicken on your list called "Costco". Anything else?
user_query: add clothes
response_text: Sure. Add clothes. Anything else?
User: Please, let's put a few new items on my grocery checklist.
Parse: Add_item_to_list ( list_label « grocery » list_label « my » list_label « checklist » )