Instruct: Classify Amazon reviews into positive or negative sentiment
Query: This is the best book ever written!!!

If you like to read about Science Fiction then this is the book for you. In the great world where Jonas lives everytime you have a birthday you get a different opportunity, but on your 12th birthday you get a job and you start to train. Jonas is 12 and can't wait to get his job, but before this happens he starts to see things that other people can't see. When it is his turn to get his career he is given the job of the giver, or holder of memories. What happens next? That's where your job to find out!!!