user_query: add cut grass to list called to-do 
response_text: Got it, I added cut grass.
user_query: Check off take out trash on to-do list 
response_text: OK, I checked off take out trash.
user_query: Add take out trash to list called to-do 
response_text: OK, I added take out trash.
User: Take a take a shot of my gargoyle collection.
Parse: Take_photo ( subject « my gargoyle collection » )