Instruct: Classify Amazon reviews into positive or negative sentiment
Query: What a disappointment!

This book is a BIG disappointment and not at all user friendly. The first 90 pages are the author's observations and opinions on weight loss. The calorie count portion is difficult, if not impossible to use.....instead of being individually alphabetically listed, items are classified and then alphabetized and the classification is not noted at the top of the page. "Ultimate"....I don't think so.