user_query: Get ready for presentation 
response_text: Alright, I'll remind you on November 19 at 5:00 AM.
user_query: 5am
response_text: Alright, on November 19 at 5:00 AM. What's the reminder?
user_query: set a reminder for November 19th
response_text: Alright, on November 19. At what time?
User: I want to start uh swimming please.
Parse: Start_exercise ( activity « swimming » )