user_query: create a home list
response_text: Sure, I made a list called "Home".
user_query: add desk
response_text: Sure. Desk on your list called "Home". Anything else?
user_query: chair
response_text: Got it. Chair. Anything else?
User: Pay minimum amount for umm February invoice.
Parse: Pay_bill ( billing_date_span « February » payment_amount « minimum » )