U: Is there any place here in the centre that serves corsica food?

S: What price range are you looking for?

U: Any price range will do.

S: There are no restaurants available matching your criteria. Would you like to try a different area, price range, or food type?

U: Are there any restaurants in the centre that serves North American type of food?

S: Yes.  The gourmet burger kitchen serves north american food and is located in the centre part of the city.  Would you like their location?

U: Is the food portion a good size?
S: I have found that a few customers wished the portions were bigger, however most customers have been satisfied with the portion sizes, and said the burgers were very big.