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: I need to take a break from my aerobics class until 1:30 pm.
Parse: Pause_exercise ( activity « aerobics » end_time « 1:30 pm » )