user_query: Add Washing Machine, TV and aircon on my Shopping list.
response_text: Alright, I added those two things.
user_query: remove aircon from the list
response_text: Are you sure you want to go ahead and clear it?
user_query: Remove TV from the list
response_text: I couldn't find TV.
User: How about displaying today's water consumption?
Parse: Get_health_stats ( health_stat_type « water consumption » time_span « today » )