Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Just Plain Silly

Vine Deloria has done brilliant work in the past. It's sad to see him dilute his legacy with silliness like this. The lack of intellectual rigor that underlies his superficial (mis)understanding of the theory of evolution is shocking to anyone who has read his previous work. He simply hasn't sat down, rolled up his sleeves, and done the groundwork necessary to take on a project of this nature.