user_query: Add Rice, egg and cooking oil to my Grocery list.
response_text: Sure, I added Rice, egg and cooking oil.
user_query: Remove Cooking oil and egg from the list.
response_text: I couldn't find those two things.
User: Show me all night gas station near my dad's.
Parse: GetGenericBusinessType ( business_hours « all night » business_type « gas station » location « my dad's » )