user_query: Add new item to my to do list
response_text: What do you want to add?
user_query: get gas
response_text: Sure, I added get gas.
user_query: Change get gas to change oil.
response_text: OK, I changed the list item to change oil on your list called "to do."
User: Will you send Kris को email about parking?
Parse: Send_digital_object ( medium « email » object Electronic_message ( subject « parking » ) recipient Personal_contact ( person « Kris » ) )