user_query: add milk to the grocery list
response_text: I got: Add milk to the grocery list.. Ready to send it?
user_query: send a text to 555-555-9999
response_text: OK, what's the message?
User: yeah
Parse: Send_digital_object ( medium InferFromContext object Electronic_message ( content InferFromContext ) recipient Personal_contact ( person InferFromContext ) )