user_query: I need shoes put onn my list
response_text: Alright. Which list do you want to add to?
user_query: sports
response_text: OK, I added shoes.
user_query: switch it to the shopping list
response_text: What do you want to add?
User: I need to see my physical exercise information for the past month.
Parse: Get_health_stats ( health_stat_domain « physical exercise » time_span « past month » )