Instruct: Classify Amazon reviews into positive or negative sentiment
Query: This book helped me get through tough times at work.

I bought this book during a time I thought the job I like so much was becoming unbearable. The problem were not the job itself but dealing with unprofessional co-workers and supervisors. This book enabled me to not sweat the small stuff and refocus on my career. Thanks for a great book, Richard Carlson.