user_query: please create a list called palindromes
response_text: Alright, I made a list called "Palindromes".
user_query: add mom and dad to the list
response_text: OK. Those two things on your list called "Palindromes". Anything else?
user_query: yes, add oho and racecar
response_text: What did you want to add?
user_query: racecar
response_text: OK. Racecar. Anything else?
user_query: no
response_text: OK, your list is updated.
User: Get coffee from Walmart, no, from QFC.
Parse: Get_product ( product « coffee » product_source « QFC » )