Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Found this as a PDF online

Steal This Book! by Abbie Hoffman is a good study of the spirit of the Yippie movement. The freeloading methods are quite creative, though some are now outdated with the development of technology. The Yippies were against the capitalist system and created communes, but they also did not want to work if they could avoid it; there was a lack of self-sufficiency. If the capitalist system was going to be around, they had no problems mooching off it.And this was probably why the whole Hippie movement failed.[...], [...]