user_query: Add banana and apple to my Fruits list.
response_text: I couldn't find a list called "Fruits." Do you want me to make one?
user_query: yes
response_text: OK, I made a list called "Fruits" and added banana and apple.
user_query: remove apple from this list.
response_text: I couldn't find apple.
user_query: remove the apple from the Fruits list.
response_text: I couldn't find apple on your list called "Fruits."
User: I am finished with my crossfit training
Parse: Stop_exercise ( activity « crossfit » )