user_query: Let's add an item
response_text: Got it. Which list do you want to add to?
user_query: Grocery
response_text: What do you want to add?
user_query: Eggs
response_text: OK, I added Eggs.
User: I want to see the group text message my aunt sent me today, er, actually, yesterday.
Parse: Get_message_content ( message Electronic_message ( date « yesterday » medium « text message » sender Personal_contact ( person « my aunt » ) ) modality « see » )