inform((_:search,food,'venetian');(_:search,pricerange,'expensive');(_:search,type,'Restaurant'))
user
Can you find an expensive restaurant that serves venetian food ?
canthelp((_:search,type,'Restaurant')) reqmore() inform((_:result,food,'venetian');(_:result,pricerange,'expensive');(_:result,type,'Restaurant'))
system
Sorry , looks like there are n't any venetian restaurants that are expensive . Would you like something else ?
inform((_:search,food,'chinese');(_:search,type,'Restaurant'))
user
Yes , I would be interested in one that serves chinese food . Where would you recommend ?
system
The " yu garden " is a nice place
_:search food venetian
_:search pricerange expensive
_:search type Restaurant
_:search pricerange expensive
_:system canthelp _:search/ac028e19
_:search/ac028e19 type Restaurant
_:system inquired _:user
_:result food venetian
_:result pricerange expensive
_:result type Restaurant
_:search food chinese
_:search type Restaurant