user_query: I would like to add something to a list
response_text: Alright. Which list do you want to add to?
user_query: Walmart and add peanuts for me
response_text: What do you want to add?
user_query: peanuts
response_text: Got it, I added peanuts.
User: Changed my mind remove the peanuts
Parse: Add_item_to_list ( items « peanuts » )