In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.
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Question: This thing didn't even last on the phone. It wouldn't even install properly. I've put this type of screen protector on about 25-30 phones and thought I would give this one a try. Big mistake. Stay away

Answer: negative

Question: Used it in birdbath to keep water from being stagnant- put it in my dog's swimming pool - it's fun to watch and turns off when water dries out. I recommend this!

Answer: positive

Question: I have had these for quite some time now and they really do not disappoint. The sound quality is great and I have had no issues with them since I purchased them about a year or so ago. I'm not really a sound professional but I did my research and found that this brand was one of the top tier players in the game. I would definitely recommend these to anyone who wants great headphones.

Answer:
positive