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_query: delete hanger from my Grocery list.
response_text: I couldn't find hanger on your list called "Grocery."
user_query: Add a hanger, lock and basket to my grocery list.
response_text: Got it. Hanger, lock and basket on your list called "Grocery". Anything else?
User: Add 555-1234 as my sister's new home number on my favorite contact's list.
Parse: Add_contact ( contact « my sister » label « home » phone_number « 555-1234 » )