Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: you can see the difference in your shot

It really opened my eyes to possibilities I'd never seen before. Some of the examples in the book seem impossible to control, but if you follow the directions, you'll be surprised how they work. As for the illustrations, yes stripes would have been a better choice than gray, but I never had trouble knowing which ball was the object ball. If you look close, you can see the differences, but even without that, the context and markings always made it clear. My game is improving and I've only had the book for a short time.