user_query: add a playoff tree
response_text: Here's what I found on the web
user_query: add it to the list
response_text: Got it. Which list do you want to add to?
user_query: sports
response_text: Got it, I added a playoff tree.
User: Please add Carlos to the list of people I need to formally hire.
Parse: Add_item_to_list ( items « Carlos » list_label « people I need to formally hire » list_singular_or_plural « list » )