a good documentary reviewing the background behind our societies oil addiction and the problem concerning our present energy usage and finally discusses the effects of the coming energy deficit originating from the peak oil production problem. this movie should be educated to all students as part of their education. show it to your children and parents and relatives and friends. they will thank you eventually. after reviewing the contents of this documentary and comparing its mentioned sources i would say that the facts in this movie are well scientifically supported. 
a good documentary reviewing the background behind our societies oil addiction and the problem concerning our present energy usage and finally discusses the effects of the coming energy deficit originating from the peak oil production problem. this movie should be educated to all students as part of their education. show it to your children and parents and relatives and friends. they will thank you eventually. after reviewing the contents of this documentary and comparing its mentioned sources i would say that the facts in this movie are well scientifically supported. ---------------------------------Answer Question Below----------------------------------

Judge the movie review above, you need to make a function call:
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        print "This is a semantically positive review."
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        print "This is a semantically negative review."
