user_query: look for the list that contains eggs
response_text: Sorry, which list do you want to know about? For example, you can say "the first one."
user_query: search for eggs in my list
response_text: You have eleven lists. Which one do you want to know about?
User: Add school supplies to the list that has bananas on it
Parse: Add_item_to_list ( items « school supplies » list_items « bananas » list_singular_or_plural « list » )