Instruct: Classify Amazon reviews into positive or negative sentiment
Query: fighting dog breeds

dr.fleig should have done more research before writing.Theres no proof that molossers started in tibet .its simply re- written material.Non functional sour mugs are presented as bulldogs."Billy"the champ from the rat pits wasnt a bull terrier either,he was a manchester terrier.The french bulldog and pug should not even be in the book.Dr. fleig should stick to writing about what he knows,AKC show dogs.