Instruct: Classify Amazon reviews into positive or negative sentiment
Query: don't be loco and but this book

South Beach?? North Beach? Puleeeze!!!!! What's next, the Flushing Diet? The Bronx Diet? The China Town Diet? These books only make people fat. Diet boloney!I guarantee you; the same fatties that will be on this diet will be on a different diet next year. A new fad diet.Diet's don't work. Exercise friends!