user_query: It Follows
response_text: What do you want to add?
user_query: It Follows
response_text: What do you want to add?
user_query: Add to my movies list
response_text: What do you want to add?
User: Please display the mess messages about the birthday party tomorrow.
Parse: Get_message_content ( message Electronic_message ( medium « messages » topic « the birthday party tomorrow » ) modality « display » )