Given reviews from Amazon, classify those review based on their content into two classes: Negative or Positive.

Ex Input:
Personaly this is one of my favorite books. It's one of those books you can read and re-read again and agiain, without getting sick of it. The way Farris is writtin and the way Alanna portrays him is awsome. Then the differennce you see from Farris-to-Bantam is wonderful. If you like reading books that don't hold back and make the characters seem above everything, but sound realistic but also adds magic in with that then, this is a book for you. This also isn't one of those constant blood-bath books or romance all the time books or the main "character gets the girl everything turns out in the end" books. It also doesn't have a tragic end were you begin to wish you'd never wasted your time on it. No when you finish reading this book you will NOT regret reading it. I've said to much. Oh, well. Read it and see for yourself if you agree with me!!!

Ex Output:
Positive

Ex Input:
I used this program for my science class. My students loved it! They learned some interesting facts, saw damage from earthquakes we talked about in class and never once did I hear that it was boring! Can't beat that!

Ex Output:
Positive

Ex Input:
The problem I have with Hazlitt's economics primer is that much of the information he presents as fact is nothing but right-libertarian ideology.Hazlitt attempts to "explode liberal myths" by taking out of context the social advances America has made in the last 70 years. The author believes that unchecked corporate power will liberate the economy and, therefore, humanity.Hazlitt is obviously a corporate apologists who refuses to scrutinize the "successes" of liberalized trade policies throughout the world. A look at any number of third world countries will reveal the true outcome of relinquishing government and social controls of the economy.

Ex Output:
Negative