user_query: Add Thriller to my Music list.
response_text: Sure, I added Thriller.
user_query: Change it to Billy Jean.
response_text: Got it, I changed the list title to "Billy Jean."
User: Call Verizon on speakerphone.
Parse: Initiate_call ( callee Organization_contact ( organization « Verizon » ) options Call_parameter_setting ( parameter « speakerphone » ) )