Instruct: Classify Amazon reviews into positive or negative sentiment
Query: msiguided auther

well I have read the book but it did not offer any new information that any consumer could get from Operah. Too simple to be written by a doctor and it does not offer anything beyond common knowlege that is avialable every where. one interesting thing is in chapter 9 where Kotler gives a personal opinion as a scientific fact but the truth is actually the opposite.[...]