Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Have to separate the wheat from the chaff

This is another personal opinion type book. The lack of scientific support for blanket statement is pervasive. For example, the author categorized people into two camps; those who thrive on low-fat, carbohydrate base diet and those are better off with more fat and less carbohydrates. While there is a grain of truth in this depending on how active a person is at any moment or in what season of the year(i.e. summer is hot so fat consumption is not useful), general statements can be misleading and certainly not useful.There are no secrets in "The Raw Secrets: ...." The information is publicly available in numerous web sites, in more positive perspectives.