Been there many times.
{'w200': 'Positive', 'w74': 'unknown', 'w170': 'unknown', 'w201': 'unknown', 'w195': 'unknown'}
{'w151': 'unknown', 'w18': 'Negative', 'w59': 'unknown', 'w162': 'unknown', 'w154': 'unknown'}
{'restaurant_id': 12820, 'restaurant_name': "Maggiano's - Philadelphia", 'cuisine': 'italian', 'price_tier': 'med', 'dining_style': 'Casual Dining', 'dress_code': 'Casual Dress', 'parking': 'Valet', 'region': 'northeast', 'rating_ambiance': 3, 'rating_food': 1, 'rating_noise': 2, 'rating_service': 3, 'rating_overall': 1}