user_query: add roast beef to store list 
response_text: Got it, I added roast beef.
user_query: add roast beef 
response_text: Alright, I added roast beef.
user_query: Display my store list 
response_text: You have two things on that list.
User: Will you show me my health oh no blood sugar stats for this week?
Parse: Get_health_stats ( health_stat_type « blood sugar » time_span « this week » )