user_query: Can you please get rid of everything on my first list 
response_text: You have eleven lists. Which one do you want to clear?
user_query: first one
response_text: You have eleven lists. Which one do you want to clear?
user_query: shopping
response_text: It looks like that list is already empty.
user_query: To Do list
response_text: Sorry, I looked for To Do, but couldn't find it. Do you want to see all of your lists?
User: Quit boxing session now.
Parse: Stop_exercise ( activity « boxing » )