Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Missing a third of the Reformation

Of course, Luther and Calvin account for the majority of the reformation, and the O'Donovon's do a fine job of bringing them to life (as much as one can say that about Calvin). However, this text makes references to Anabaptists without giving them 'equal time.' Of course, they should not expect this pacifist and somewhat isolationist sect to raise a stink over being left out (in fact they would probably be in favor of maintaining a low profile), but it is intellectually incomplete. What is there, however, is excellent.