user_query: Please update a list and add a new item onto it
response_text: You have eleven lists. Which one do you want to edit?
user_query: Add new item
response_text: What do you want to call it instead?
user_query: No
response_text: OK
user_query: Walmart add ice cream
response_text: What do you want to call it instead?
User: Add to my shopping list
Parse: Add_item_to_list ( list_label « shopping » list_singular_or_plural « list » )