user_query: create a vocation list
response_text: Got it, I made a list called "Vocation".
user_query: add beach
response_text: Sure. Beach on your list called "Vocation". Anything else?
user_query: add library
response_text: Got it. Library. Anything else?
user_query: Clear my vocation list completely.
response_text: What do you want to add?
User: Could we add something to my to do list?
Parse: Add_item_to_list ( list_label « to do » list_singular_or_plural « list » )