Instruct: Classify a given review into positive or negative sentiment.
Query: Use Your Shopping $ to Support Worthy Companies

This book evaluates companies on the basis of their environmental and social policies. It provides helpful information for making decisions about which products to buy and from which stores to buy them. If you're concerned about the way companies treat their workers, whether they use child labor i foreign countries, pressure small farmers, etc,. then you will want to buy it.