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: Read me the first three no four messages from Lisa.
Parse: Get_message_content ( message Electronic_message ( medium « messages » quantity NonNegativeSimpleNumber ( Number « four » ) sender Personal_contact ( person « Lisa » ) ) modality « Read » )