user_query: Create Grocery List
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: Add candies, Lollipop, Chips, Pringles and Bubble Gum to the list.
response_text: Alright, what do you want to call it?
user_query: Grocery
response_text: Got it, I made a list called "Grocery" and added those three things.
User: Order 2 yes 2 pizzas with Grubhub.
Parse: Get_product ( product « 2 pizzas » product_source « Grubhub » )