Goal: Task 03114: You are looking for a cheap restaurant and it should serve polish food. If there is no such venue how about portuguese type of food. You want to know the address of the venue.

user: I am looking for a cheap restaurant that serves Polish food.

system: There are no cheap restaurants that serve Polish food. 

user: how about a portuguese one?

system: So you would like recommendations for a cheap restaurant that serves Portuguese food? 

user: Yes, please.

system: There are two restaurants that serve Portuguese food and in the cheap price range. Would you like the center or south area?