user_query: Ikea
response_text: OK, I made a list called "Ikea".
user_query: make one
response_text: Alright, what do you want to call it?
user_query: show me my Ikea list
response_text: You have one thing on that list.
User: log 2 sets of 5, no wait 10 curls
Parse: Log_exercise ( activity « curls » number_of_repetitions « 10 » number_of_sets « 2 » )