Instruct: Classify Amazon reviews into positive or negative sentiment
Query: The best book out there.

The Polar Express is a book that I love to read anytime of the year. The Illatrations are great. Since it is a Caldecott award winning book it makes it that much better. It a good book for any age to read or listen to if you have the Casset or CD. So hope you enjoy as much as I do.