Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Train better not harder!

This is a book you open and close in one day, and go back to oftenAfter ever page turn you want to be on the bike. The new out look on trainning makes you want to train. You find new ways to make your workout better not harder.The diet Ideas will not only change what you eat but how you eat things and the times. I would go on but do not want to give the whole thing away.I will leave you with this. The book will make you want to train though the winter to kick ass next season.