Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: SALESPITCH SALESPITCH SALESPITCH

THIS BOOK IS YOUR AVERAGE SALES PITCH BOOK. EVERY CHAPTER HE EXPLAINS HE HAS SYSTMES AVAILABLE AT HIS WEBSITE WHICH HE MENTIONS ABOUT A BILLION TIMES. [...] I DONT RECOMMEND ALL THE STRATEGIES HE EXPLAINS ARE CUSTOM TAILORED TO HIS SYSTEMS AND THE FUTURES MARKET