Instruct: Classify Amazon reviews into positive or negative sentiment
Query: I am all Revved up now.

Revved was everything I thought it would be. The information contained within this book is very helpful to my everyday choices at work and at home. I have taken this book on several business trips and never get tired of referencing the material.Ross and Harry have put together a truly remarkable book about the benefits of positve thinking.Thank you for this uplifting inspirational book.