user_query: Oops, I meant to remove the number one item on the grocery list.
response_text: Which item?
user_query: Groceries
response_text: Alright, I added milk.
user_query: Put milk as number 1 on the grocery list.
response_text: OK. Which list do you want to add to?
User: Are there any free parking lots around Washington Memorial.
Parse: Find_parking ( location « Washington Memorial » parking_structure « parking lots » parking_type « free » )