user_query: Erase favorite movies list
response_text: Are you sure you want to go ahead and delete it?
user_query: Favorite movies list
response_text: You have eleven lists. Which one do you want to delete?
user_query: No, you should erase that
response_text: No problem, nothing has been changed.
User: add item to Christmas list
Parse: Add_item_to_list ( list_label « Christmas » list_singular_or_plural « list » )