U: Are there any eritrean restaurants in town?

S: No, there are no eritrean restaurants in town. Would you like a different restaurant?

U: How about Chinese food?

S: There is a wide variety of Chinese restaurants, do you have an area preference or a price preference to narrow it down?

U: I would like the East part of town.

S: Yu Garden is a chinese restaurant in the east area.

U: How well known is their ma po tofu?
S: The reviews on their food, including the Ma Po Tofu, are very positive. Would you like to know more about their menu?