user_query: add barbie doll to christmas list
response_text: Got it, I added barbie doll.
user_query: actually cancel that
response_text: Are you sure you want to go ahead and delete it?
user_query: yes
response_text: OK, I deleted the list called "christmas."
User: Bring up book stores on 12th, I mean 2nd ave.
Parse: GetGenericBusinessType ( business_type « book stores » location « 2nd ave » )