user_query: create a shopping list with shorts and shirts
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: yes
response_text: Got it, I made a list called "Shopping" and added those two things.
User: Show me the last ten messages from Brook.
Parse: Get_message_content ( message Electronic_message ( medium « messages » quantity NonNegativeSimpleNumber ( Number « ten » ) sender Personal_contact ( person « Brook » ) ) modality « Show » )