user_query: Yes
response_text: Alright, I made a list called "Purchase Vegetable" and added peas and onions.
user_query: Include peas and onions in the purchase vegetable list
response_text: I couldn't find a list called "Purchase Vegetable." Do you want me to make one?
User: Show me available chat apps
Parse: Open_app ( app_category « chat » app_phrase « apps » )