Instruct: Classify Amazon reviews into positive or negative sentiment
Query: changed my life

There is no amount of stars that can be put on this book to give it an accurate rating. If you have heard of this book already, then you know of its divine purpose and excellent power. For anyone searching for happiness, this book shows you that it is always under your nose waiting patiently. This is truly a book that changes lives, I know because it has helped change mine for the better. Buy this book, keep an open mind, and you will cherish it for the rest of your life.