U: I am looking for a place to dine. The restaurant should serve mediterranean food and should be in the south

S: I'm afraid there aren't any. Would you like to try another area or cuisine?

U: What restaurants are cheap?

S: Nandos is cheap in that area.

U: Do they have good amounts of food?
S: Most people consider the portions at Nandos to be very generous. There are some who feel they could be better, though. Would you like more information about Nandos?