Instruct: Classify a given Amazon review as either positive or negative.
Query: A pretty good book

In this book, there are many street gangs sticking together to survive. The book focuses in on one of them. Ponyboy is the main character in this book and lives with his brothers Darry and Soda. He hangs out with a gang containing kids named Two-bit, Dallas, Steve and Johnny. They all live together, surviving against the Socs, a rich group of kids who think jumping greasers like Ponyboy is the funnest thing to do. Everything is going smoothly... Until Johnny's fear of getting jumped again takes him and Ponyboy on a adventure that will permanantly affect their lives