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Title: True depth of understanding required. Review: If you want a fast paced action thriller, then rent a movie. This book has depth and meaning that only the "true" classics have. If you're into thinking for yourself and seeing a wonderful story unfold in your mind then this book is for you. And by the way, this can be understood by teenagers- I was 19 when I read it. I think the awful reviews are written by people with a lack of character, or perhaps maturity. Does this product review convey a negative or positive sentiment?
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Positive


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Title: Older model is better Review: The older model 421 is better. This model does not trim was well as the older model. I lost the older model and purchased this model. I am disappointed. I will reorder to purchase the older model. Does this product review convey a negative or positive sentiment?
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Negative


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Title: No Soreness Inflation. Review: This inflates and deflates over and over without needing a charge. Will not over inflate though. Only .5 psi inflation at max. VERY IMPORTANT! You have to pull the tab out of the charge port on the back for it to work. Almost wanted to return it til I figured this out. Does this product review convey a negative or positive sentiment?
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