user_query: Make a list and put onions and bread on it
response_text: OK, what do you want to call it?
user_query: Shopping
response_text: OK, I made a list called "Shopping" and added those two things.
User: I have to get 3 gallons of ice cream for pick-up from Meijer tomorrow at 3pm.
Parse: Get_product ( order_fulfillment « pick-up » product « 3 gallons of ice cream » product_source « Meijer » )