Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Beware of false claims and false reviews

From the Editorial Review of this book: fast becoming the nation's foremost consumer advocate.From the review of Mega Memory: Kevin Trudeau, the world's foremost authority on memory improvement training.From the FTC website: a prolific marketer who has either appeared in or produced hundreds of infomercials ...Beware of several reviews in a row with 5 star ratings. Over 25 on September 13th (I quit counting). Every one a first time reviewer. Coincidence?Kevin Trudeau is definitely a versatile and brilliant guy. Foremost authority on parting fools from their money. Give him some of yours today.