U: I'd like an expensive restuarant in the south part of town.

S: I have 5 results matching your request, are you looking for a particular type of food to eat?

U: I want Indian, please.

S: Sure I have the Taj Tandoori in that price range. Would you like a telephone number or a booking?

U: Can you first tell me whether Taj Tandoori serves generous portion sizes?
S: Two people felt that the portions were too small for what they paid and when persons felt that the portions were huge.