Instruct: Classify Amazon reviews into positive or negative sentiment
Query: You're kidding. Right!

So full of errors that one must assume that the producer is not the scholar of Okinawan karate he claims to be, or any other subject for that matter.As far as being a "Professor" is concerned, repeated requests to the "scholar of the Okinawan martail (sic) arts" have failed to reveal what university awarded him a Ph.D, and in what subject.