user_query: Add hanger, lock and basket to my grocery list.
response_text: OK, I added hanger, lock and basket.
user_query: Delete lock and basket from the list.
response_text: I couldn't find those two things.
user_query: Delete lock and basket from my grocery list.
response_text: I couldn't find those two things on your list called "Grocery."
User: Purchase tickets to Keith Urban in San Francisco, no, Oakland for may 7th.
Parse: BuyEventTickets ( event_location « Oakland » event_performer « Keith Urban » event_time « may 7th » )