Instruct: Classify Amazon reviews into positive or negative sentiment
Query: No brainer

I read this book a few years back because people had hyped it up so much. I'll save you an hour of your life and $10:1. Dont buy ANYTHING (only a slight exaggeration if you read this book)2. Live within (or below) your means3. Save moneyAdd a dash of time and voila! You're a millionaire, but one with an exceptionally dull life of excessive frugality.