user_query: Could you create a list for me named Things i need
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: Add toothpaste and hand sanitizer on it
response_text: Alright, I added those two things.
user_query: frozen berries and corn
response_text: Got it, what do you want to call it?
user_query: jelly and peanut butter
response_text: Got it, what do you want to call it?
user_query: half and half and butter
response_text: Got it, what do you want to call it?
User: Please add milk, sugar, and bananas to my shopping list.
Parse: Add_item_to_list ( items « milk » items « sugar » items « bananas » list_label « shopping » list_owner « my » list_singular_or_plural « list » )