user_query: text dad 
response_text: Got it, what's the message?
user_query: Dad
response_text: Sorry,, who do you wanna text?
user_query: Send text to dad 
response_text: Alright, What's your father's name?
User: pick up pizza on the way home 
Parse: Send_digital_object ( medium InferFromContext object Electronic_message ( content « pick up pizza on the way home » ) recipient Personal_contact ( person InferFromContext ) )