Instruct: Classify Amazon reviews into positive or negative sentiment
Query: For who For what? Why?

I am a well read individual especially when it comes to former athletes life stories. Jim Brown had a great book, Bill Russell had an even greater book, Kareem Abdul-Jabbar's book was a treat, but what the hell is Ricky talking about? Despite the fact that this book was undoubtedly written by a 5th grader, it lacked any excitement or substance, and the amount of explanations in parenthesis was insane! It would have been wiser to write two books, one in plain English, and the other to translate the first one. A real bore. And as far as the rap goes, Jay-Z has nothing to worry about!