user_query: create list for sports
response_text: Got it, I made a list called "Sports".
user_query: add basketball and soccer to sports
response_text: OK. Basketball and soccer to sports on your list called "Sports". Anything else?
user_query: show me sports list
response_text: You have one thing on that list.
User: Please pay my electric bill.
Parse: Pay_bill ( service_type « electric » )