user_query: add chocolate to Valentine's Day list
response_text: I couldn't find a list called "Valentine's Day." Do you want me to make one?
user_query: yes
response_text: Sure, I made a list called "Valentine's Day" and added chocolate.
user_query: you know what take chocolate off that list and put it on anniversary list instead
response_text: I couldn't find a list called "Anniversary."
user_query: i want to add the item to my anniversary list
response_text: What do you want to add?
User: I want to log 60 minutes of running.
Parse: Log_exercise ( activity « running » duration « 60 minutes » )