In this task, you are given books product reviews in English language. The goal is to classify the review as "POS" if the overall sentiment of the review is positive or as "NEG" if the overall sentiment of the review is negative.

Ex Input:
A beautiful book . This set of articles, originally written for magazines and catlalogues, is one of the most eloquent collections of mountain writing I've yet come upon. The book is divided up into chapters such as 'Climbing with Style', which features articles about "the whole art of natural protection" written at the the start of the clean climbing revolution, and 'Further Aborad' which includes the authors account of a climb on Ama Dablam. One of the features I most enoyed about the book was the introductions to various historical figures such as Smoke Blanchard and Royal Robbins. And the memoir style accounts of what it was like for a small band of climbers to live in the mountains away from civilization getting their kicks out of the "simple joys" and living in bare subsistence, long before climbing turned into the popular sport which it might be called today. Doug Robinson is well qualified to write what he does, and his style is nice and clear without being base. Most of it is written in an autobiographical style, dealing with developments on the climbing and skiing scene for wenty odd years. If you are partial to a bit of Dharma Bums then get this book. Also anyone interested in the history of the Sierra Nevada

Ex Output:
POS

Ex Input:
Felt like a Marvel story, but then again... . There is no perfect Earth. The DC universe is corrupt? Let's see...Joker actually turns out to be a hero (I know, he's not presented as one, but he offs AL, so he's a hero). Wonder Woman kills someone? Yeah, right. Batman actually points a gun at someone? Yeah, right again. The big blue schoolboy saves the universe? Hack, ptooey. Everybody makes mistakes (the big idea from the series along with there's no perfect Earth). It's too bad that DC didn't realize that this series was one of them

Ex Output:
NEG

Ex Input:
The return of cruelty and oppression . The brave Anna Politkovskaya reveals the reality of Russia today in this sad, sometimes horrifying book. After a brief window period of freedom under Yeltsin, Russia has rapidly become a vast swamp of corruption, oppression and deception under Putin. Politkovskaya tells of the trouble and suffering of ordinary people who are humiliated and exploited by the criminal nomenklatura. For example Nina Levurda, who in trying to establish the truth about her son's death in the Chechen War, became a victim of this system that when not cruel, is completely indifferent to the individual. This and other cases are discussed in the chapter My Country's Army And Its Mothers. In Russia, people imitate the man at the top, thus Putin is the one who shapes Russian society. It is mainly he who is to blame for the brutality and extremism prevalent in the army and the state apparatus. There are sections dealing with war criminals, brutality against privates in the military, government complicity in crime, the corruption in the judiciary, the struggle to survive in places like Kamchatka, and racism against people with a non-Slavic appearance. Russia's stability is of a monstrous type, where power means everything, few people hold the law in any regard, bribes keep business and the state running, and a free press has almost disappeared. Putin's bureaucrats have taken corruption to new records, unheard of even under Yeltsin or the Communists. As a lieutenant-colonel who never made it to the rank of colonel, he has the mentality of a Soviet secret policeman. The Yukos affair and the imprisonment of Mikhail Khodorkovsky demonstrate what a vindictive little man Putin is and how he is steering the country towards fascism. This process of crushing dissent and stifling freedom has been escalating throughout Putin's first presidential term and shows no sign of abating during the second. The Western press has mostly not showed great interest in this slide to oppression in Russia. It is hard not to write Russia off when confronted by the experiences in this book: the deliberate cruelties, the cold indifference and the manipulation of the media. Mercifully there are still people like Politkovskaya and Lev Ponomarev who are brave enough to speak out. This disturbing book concludes with explanatory notes containing references.

Ex Output:
POS