user_query: add an item
response_text: OK. Which list do you want to add to?
user_query: pcking
response_text: Alright. Which list do you want to add to?
User: Send a voice message to Beth and say that I will arrive at the theater late, I mean on time.
Parse: Send_digital_object ( format « voice » medium « message » object Electronic_message ( content « I will arrive at the theater late, I mean on time » ) recipient Personal_contact ( person « Beth » ) )