user_query: Yes
response_text: Alright, I made a list called "Smartphone" and added those two things.
user_query: I want to add mobile and chargers in the Smartphone list.
response_text: I couldn't find a list called "Smartphone." Do you want me to make one?
User: Go ahead and pay and pay the T-Mobile bill.
Parse: Pay_bill ( account_provider « T-Mobile » )