Instruct: Classify Amazon reviews into positive or negative sentiment
Query: This is the best I've ever read, it is excellent!

Harry Potter and the Socerer's Stone book is the best. It is a excellent book, with a great story line. My favorite charchter is Malfoy, just kiddig. I like Harry and Nieville. This book is awsome I advise everyone to read this book. J.K. Rowling is a grea writer. Read this this book. It doesn't matter How old you are I'm 7th grade Ithink it is great!