name = The Vaults, priceRange = less than 20.
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Answer: The Vaults sushi bar has low prices but is not suitable for a family.

name = The Waterman, food = French, customer rating = average, area = city centre, familyFriendly = yes.
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Answer: The Waterman is a 20 or less French, family-friendly place with an average rating. its located in the city centre

name = Blue Spice, food = French, priceRange = moderate, area = riverside.
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Answer:
At riverside is a moderate priced location called Blue Spice that offers French food.