user_query: Add white board, uniform and shoes on my Shopping list.
response_text: Sure, I added those two things.
user_query: Delete white board from this list.
response_text: I couldn't find white board.
user_query: Delete white board from my Shopping list.
response_text: I couldn't find white board on your list called "Shopping."
User: pause boxing exercise
Parse: Pause_exercise ( activity « boxing » )