Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Sadly True

This is one of the most interesting "inside story" published in a book about the so called Management Consulting / Business Consulting firms. It is an eye opener for the clients who hire such firms/individuals to scrutinise those firms/individuals and make sure they are getting what they are paying for and not just pre-written texts that are now available to anyone with an internet connection and a credit card.