user_query: Let's setup a new list of my favorite sodas with Mtn Dew and Root Beer on it.
response_text: Alright, what do you want to call it?
user_query: Favorite Sodas.
response_text: Alright, I made a list called "Favorite Sodas." and added those three things.
user_query: Let's delete the list with Mtn Dew on it.
response_text: You have eleven lists. Which one do you want to delete?
User: Add cherries oh yeah add cherries too on the list
Parse: Add_item_to_list ( items « cherries » list_singular_or_plural « list » )