user_query: make a list called road trip
response_text: OK, I made a list called "Road Trip".
user_query: make a list called target
response_text: OK, I made a list called "Target".
user_query: make a list called safeway
response_text: OK, I made a list called "Safeway".
User: Retrieve starred emails from yesterday.
Parse: Get_message_content ( message Electronic_message ( date « yesterday » label « starred » medium « emails » ) )