user_query: get new tires added to the to do list
response_text: Sure, I added new tires.
user_query: whoops, move that to the Walmart list instead
response_text: I couldn't find that item on your list called "walmart."
user_query: add it
response_text: What do you want to add?
User: new tires
Parse: Add_item_to_list ( items « new tires » )