Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Simple, yet not. Powerful. True. Do it.

I know this this term is used a lot, but VERY true in thiscase: A MUST READ FOR THOSE OF US OBSESSED WITH SUCCESS.Learn to think your way to riches, both temporal andeternal; things tangible as well as intangible. Do your-self a favor, THINK AND GROW RICH!