user_query: add wash do to my to-do list 
response_text: Sure, I added wash do.
user_query: display my to-do list 
response_text: You have one thing on that list.
user_query: Get my recent to-do list 
response_text: You have one thing on that list.
User: Start tracking my steps again on Google fit, actually on Fitbit.
Parse: Resume_exercise ( activity « steps » provider « Fitbit » )