user_query: Find a recipe for chocolate cream pie.
response_text: These came back from a search
user_query: Find a recipe for veal.
response_text: Here's what I found on the web
user_query: Play some 70's love songs.
response_text: Playing 70's love songs on YouTube.
User: Begin jogging for 30 minutes.
Parse: Start_exercise ( activity « jogging » duration « 30 minutes » )