You will be given a definition of a task first, then some input of the task.
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.

Refund Requested . I have read all four of Sarah Vowell's books. I believe that is all of them. I thoroughly enjoyed three of them and would strongly recommend them. With for Radio On, her first book, she seems to be in a different place. Radio On is a diary of Sarah listening to the radio. Although the concept is interesting, the result is a lot of very short entries in which there is little opportunity to develop anything. But the real reason I didn't like Radio On is because of Sarah's perspective at that time. She is a very critical person in this book. Nirvana is the greatest band ever, and The Grateful Dead is worthless. Whether it is music, politics, or a variety of other topics, you get the clear impression that her opinion is right and any others are wrong. Radio On is a very mean and negative view of life and our world. The worst case scenario, though, is someone reads Radio On first and doesn't read Sarah Vowell's other books. That would be huge mistake
Output:
NEG