Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The Root of All Diseases

Learn how to get to the root of all diseases so you can cure them naturally. Doctors never help you with the cause, but Clark's book will. She is a scientist, and has meticulously tested out what she knows, and offers her knowledge to anyone who want's to do their own testing. You can listen to an interview on her web site explaining her theories. Do not listen to the people that tell you she is a quack, they are misleading scam web sites that put down anyone with successful cures that threaten the medical cartels monopoly on so called health care.