user_query: Change the Oil
response_text: Alright, I'll remind you on Wednesday at 9:00 AM.
user_query: 9am
response_text: Alright, on Wednesday at 9:00 AM. What's the reminder?
user_query: Be sure to set a new reminder for tomorrow
response_text: Alright, on Wednesday. At what time?
User: I want to stop jogging now.
Parse: Stop_exercise ( activity « jogging » )