user_query: Add purse
response_text: You have eleven lists. Which one do you want to know about?
user_query: Shopping list
response_text: You have two lists with similar names. Which one do you want to know about?
user_query: Add an item to the list with shoes.
response_text: Got it. Which list do you want to add to?
User: Go ahead and log a 5 minute walk walk.
Parse: Log_exercise ( activity « walk » duration « 5 minute » )