The Waterman in the city centre has an average customer rating and is family-friendly.  They serve Japanese food for less than £20.
[['The Waterman', 'food', 'Japanese'], ['The Waterman', 'priceRange', 'less than £20'], ['The Waterman', 'customer rating', 'average'], ['The Waterman', 'area', 'city centre'], ['The Waterman', 'familyFriendly', 'yes']]