Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
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Question: An extremely helpful gem on a complex subject of second century religious authority and textual use. For anyone serious about this period and the interelation of cultures, this book is essential. Is it complex and detailed? Of course, it must be to argue the point. Should you buy it? Yes, unless you want to keep running back to the library. I write this only after thoroughly disagreeing with the review above.

Answer: Positive


Question: A thrilling story of get rich quick without scruples. It introduces the reader to excellent characterizations of the individuals involved. There is excitement through unusual circumstances including an extremely imaginative ending.

Answer: Positive


Question: I saw this tour and the DVD was a big letdown. I thought the sound quality was poor, at best. Hollow and "boomy" bass are all I notice.I very much WANTED to love this video, but cannot.

Answer:
Negative