user_query: Begin a new list with lemons, limes, sugar, water
response_text: Alright, what do you want to call it?
user_query: Lemon limeade recipe
response_text: Alright, I made a list called "Lemon Limeade Recipe" and added those four things.
user_query: Cancel the list that has lemons
response_text: OK, I deleted lemons.
User: I want to to see the 3 texts that came in at noon.
Parse: Get_message_content ( message Electronic_message ( date « noon » medium « texts » quantity NonNegativeSimpleNumber ( Number « 3 » ) ) )