user_query: Take a good black and white photo 
response_text: Sure. Get ready!
user_query: Take a passport size photo
response_text: According to Stilt: The size of the photo should be 2 x 2-inch, 35 x 45 mm, or 35 x 35 mm. The color of the background must be white or off-white.
User: Stop the jog on my watch for 10 minutes.
Parse: Pause_exercise ( activity « jog » device « watch » duration « 10 minutes » )