user_query: Add Sting to my list.
response_text: Alright. Which list do you want to add to?
user_query: Music
response_text: Got it. Which list do you want to add to?
user_query: Music list
response_text: What do you want to add?
User: Use Snapchat to take square pictures of me.
Parse: Take_photo ( app « Snapchat » format « square » instrument « pictures of me » )