You've got to be kidding...
{'w1': 'unknown', 'w89': 'unknown', 'w87': 'unknown', 'w199': 'unknown', 'w9': 'unknown'}
{'w148': 'unknown', 'w98': 'unknown', 'w150': 'unknown', 'w162': 'unknown', 'w12': 'unknown'}
{'restaurant_id': 1372, 'restaurant_name': 'Toscanini', 'cuisine': 'italian', 'price_tier': 'med', 'dining_style': 'Casual Elegant', 'dress_code': 'Casual Dress', 'parking': 'Public Lot', 'region': 'west', 'rating_ambiance': 2, 'rating_food': 2, 'rating_noise': 3, 'rating_service': 2, 'rating_overall': 2}