inform((_:search,area,'north');(_:search,pricerange,'cheap');(_:search,type,'Restaurant'))
user
Is there a cheap restaurant in the north part of town ?
inform((_:result,count,'2');(_:result,name,'Da Vinci pizzeria');(_:result,name,'Royal Spice');(_:result,type,'Restaurant'))
system
I have found two . They are Da Vinci pizzeria and Royal Spice .
request((_:result,address,?);(_:result,phone,?);(_:result,type,'Restaurant'))
user
What is the address and phone number of one of them ?
reqmore() inform((_:result,address,'20 Milton Road Chesterton');(_:result,name,'Da Vinci Pizzeria');(_:result,phone,'01223 351707');(_:result,type,'Restaurant'))
system
The address for Da Vinci Pizzeria is 20 Milton Road Chesterton and its phone number is 01223 351707 .   Do you need anymore information ?
thank()
user
No that will do thanks .
system
Thank you for using the Cambridge restaurant system . Goodbye .
_:search area north
_:search pricerange cheap
_:search type Restaurant
_:search area north
_:search pricerange cheap
_:search type Restaurant
_:result count 2
_:result name Da Vinci pizzeria
_:result name Royal Spice
_:result type Restaurant
_:result address ?
_:result phone ?
_:search area north
_:search pricerange cheap
_:search type Restaurant
_:result count 2
_:system inquired _:user
_:result address 20 Milton Road Chesterton
_:result name Da Vinci Pizzeria
_:result phone 01223 351707
_:result type Restaurant