user_query: Also get haircut
response_text: OK. Get haircut on your list called "to do". Anything else?
user_query: Mail out bills
response_text: OK, I added Mail out bills.
user_query: For my to do list I need to add items to it
response_text: What do you want to add?
User: Get new glasses, I mean contacts for delivery from Walmart.
Parse: Get_product ( order_fulfillment « delivery » product « contacts » product_source « Walmart » )