user_query: Create List of Action Movies
response_text: Got it, I made a list called "Action Movies".
user_query: Add Heroes and Avengers in Action Movies list.
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: Add Heroes and Avengers Movies
response_text: OK, what do you want to call it?
user_query: Action Movies
response_text: Sorry, it looks like you already have a list with that name. Do you still want to make a new one?
user_query: yes
response_text: Got it, I made a list called "Action Movies" and added those two things.
User: Make a list on my iphone for groceries. 
Parse: Create_list ( device « my iphone » label « groceries » )