Given the task definition and input, reply with output. In this task, you are given books product reviews in English language. The goal is to classify the review as "POS" if the overall sentiment of the review is positive or as "NEG" if the overall sentiment of the review is negative.

excellent reference . Like other reviewers, I agree that a book is no substitute for instruction by a teacher. Nevertheless, this comes as close (for the Yang style short form) as anything I've found. Even if you have no interest in the martial aspects of taiji, having the potential applications of the form enriches practice. I found the illustrations clear. I own a half dozen or so books on taiji, and this is the only one I regularly consult
POS