user_query: yes 
response_text: Got it, I made a list called "Buy" and added those two things.
user_query: Can you put coffee, milk and sugar to my Buy list 
response_text: I couldn't find a list called "Buy." Do you want me to make one?
User: Let's place a call to Barb.
Parse: Initiate_call ( callee Personal_contact ( person « Barb » ) )