user_query: add barbie doll to christmas list
response_text: Got it, I added barbie doll.
user_query: change that. Add barbie doll to birthday list instead 
response_text: Got it, I changed the list title to "Barbie Doll To Birthday."
user_query: birthday
response_text: Here are some results from a search
user_query: create a birthday list
response_text: Alright, I made a list called "Birthday".
User: Log the 450 calories of a McDonald's cheeseburger I ate in the evening, I mean at lunch.
Parse: Log_nutrition ( culinary_quantity « 450 calories » food « McDonald's cheeseburger » meal « lunch » )