user_query: make a new list
response_text: Got it, what do you want to call it?
user_query: call it to do
response_text: Alright, I made a list called "To Do".
User: Log a 30 mile bike ride in my MyFitnessPal app.
Parse: Log_exercise ( activity « bike ride » distance « 30 mile » provider « MyFitnessPal » )