user_query: nevermind take of the bras
response_text: Are you sure you want to go ahead and clear it?
user_query: new shoes and bras
response_text: OK, I added new shoes and bras.
user_query: the shopping list
response_text: What do you want to add?
user_query: add some items to the list
response_text: OK. Which list do you want to add to?
User: Take a grayscale, actually make it a sepia picture.
Parse: Take_photo ( filter « grayscale » filter « sepia » )