Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example is below.
Q: I've read this book with much expectation, it was very boring all through out the book
A: Negative
Rationale: Review writer does not like the book because it was boring, therefore it is a negative review.
Q: Una excelente guia para todos aquellos que deseen concer mas aobre el vino y su mundo. De forma amena y sencilla explica los principales conceptos y orienta sobre temas basicos como la eleccion del vino corecto, principales tipos de vino, como comprar vino en restaurantes o tiendas, etc.
A:
Positive