Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.
One example: I've read this book with much expectation, it was very boring all through out the book
Solution is here: Negative
Explanation: Review writer does not like the book because it was boring, therefore it is a negative review.

Now, solve this: If you enjoy anthropology, archeaology, and learning about the first of mankind on our planet, then you will find this entire series plausibe, and very enjoyable reading. This is a series of books that completely holds your attention through every page. Every book is based on thorough research of ancient sites, tools, and other findings that tell us about the people of yesteryear and how they survived the glacier period. The characters are so well presented that they seem real. Each additional novel is a continual saga from the prior book, so continuity flows very well.
Solution:
Positive