hello()
system
hello , welcome to the restaurant information system . you can ask for restaurant -s by area , price range or food type . how may i help you ?
user
hi i'm looking for a restaurant
select((_:result,area,'little russia or russian hill'))
system
sorry would you like something in the area of little russia or russian hill
user
_:system greeted _:user
_:system greeted _:user
_:result area little russia or russian hill