user_query: Add Bon Jovi to the list.
response_text: Got it. Which list do you want to add to?
user_query: Music
response_text: OK. Which list do you want to add to?
user_query: Music list
response_text: What do you want to add?
user_query: Bon Jovi
response_text: OK, I added Bon Jovi.
User: Record that my activity for the day was a 3-hour hike in the mountains.
Parse: Log_exercise ( activity « hike » duration « 3-hour » )