Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Great Refresher

I've been riding for about 20 years now and this had some wonderful information. I've always loved to ride bareback and I knew it was great for improving balance, but it can be difficult without some kind of pad. I also think it's not that comfortable for the horse, having a person sliding against its hair growth. Everything about this book is fair to the horse and helps us humans see where we are making mistakes and how we can improve.