user_query: Erase all the Costco list items
response_text: It looks like that list is already empty.
user_query: create costco list
response_text: Sure, I made a list called "Costco".
user_query: add diamond ring
response_text: OK. Diamond ring on your list called "Costco". Anything else?
User: Play um play 8 Ball Pool.
Parse: Play_game ( GameName « 8 Ball Pool » )