user_query: create a countries list
response_text: OK, I made a list called "Countries".
user_query: add Peru to the list
response_text: OK. Peru on your list called "Countries". Anything else?
user_query: no
response_text: OK, your list is updated.
user_query: I'd like to alter my list
response_text: Alright, do you want to edit the title or an item?
user_query: the title
response_text: OK, do you want to edit the title or an item?
User: List all my sports apps, actually list all my game apps.
Parse: Open_app ( app_category « game » app_phrase « apps » )