user_query: Add to my Condo-Prospect list Maria, John and Mark.
response_text: I couldn't find a list called "Condo-Prospect." Do you want me to make one?
user_query: yes
response_text: Sure, I made a list called "Condo-Prospect" and added those two things.
User: Let's use Snapchat to take a photo.
Parse: Take_photo ( app « Snapchat » )