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

This book is horrid. I highly recommend it . . . to burn. The language was hard to understand and very hard to follow. Although it did have some interesting points. Ok maybe zero. The best part of the whole thing was the end. But wait a minute. I never got that far. The DSM-IV is long and confusing. I found that it did not help me one bit. In fact, it actually made the situation worse. But there's nothing holding you back from reading this sure to be best seller. Go ahead. Waste your money if you so choose.