Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Good Primer For Anyone Looking At Oil & Gas Opportunities

Mr. Orban has penned a very useful guide to the oil business. He covers all the important aspects of the industry and packages it especially for the investor. After reading this book, you'll know most everything you'll need to know in order to enter an intelligent, informed discussion with most anyone on the subject of oil & gas. The book is particularly helpful in directing you to ask the right questions of the right people to evaluate any deal or project. If you're new to oil & gas investing, this book is a must.