Instruct: Classify Amazon reviews into positive or negative sentiment
Query: How about no stars?

I've seldom read a more disorganized book. If they had a point they went to great pains to hide it. The thesis that a black hole perturbed the orbit of Neptune is only one of a dozen conclusions that you could draw from the data. If they're correct no one will ever know because the "facts" are buried in reams of tedious and unnecessary biography - that has little to do with establishing the authors' credentials.I saw one psotive review. Must have been from a relative or a creditor.To bad Amazon doesn't give refunds