user_query: put toad the wet sprocket on music list
response_text: According to Wikipedia: Toad the Wet Sprocket is an American alternative rock band formed in Santa Barbara, California, in 1986.
user_query: add "toad the wet sprocket" to the music list
response_text: What do you want to add?
User: Show me the last last ComEd Bill
Parse: Get_bill ( account_provider « ComEd » )