Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Life Changing Book!

What can I say...another high quality, spiritually and emotionally charged book by Dr. Dobson. His wisdom and biblically based advice has made me refer to his book in times of question. I can't believe how accurately he predicted the things and decisions that will happen during my young adult life. A MUST READ! IT CAN CHANGE YOUR LIFE!