user_query: put Scorpions on the list
response_text: Got it. Which list do you want to add to?
user_query: I meant to say Metallica
response_text: I couldn't find a list called "Metallica." Do you want me to make one?
user_query: put Metallica on a list
response_text: Alright. Which list do you want to add to?
User: Please add a home number to my wife, no sister.
Parse: Add_contact ( contact « sister » label « home » )