user_query: Could we add ice trays to Walmart list
response_text: Got it, I added ice trays.
user_query: Remove last item added to Walmart list
response_text: Which item?
user_query: last item added
response_text: Which item?
User: Add whole wheat um whole wheat hamburger buns to the grocery list.
Parse: Add_item_to_list ( items « whole wheat hamburger buns » list_label « grocery » list_singular_or_plural « list » )