user_query: create 2 lists
response_text: OK, what do you want to call it?
user_query: 1 called tv shows and another called horror movies
response_text: Sure, I made a list called "Tv Shows And Another Called Horror Movies".
user_query: erase all lsts
response_text: You have eleven lists. Which one do you want to clear?
user_query: tv shows and horror movies
response_text: It looks like that list is already empty.
User: Purchase event tickets please.
Parse: BuyEventTickets ( )