Detailed Instructions: 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.
Q: Superb book for explaining online option trading . The book is clearly written and it solved many of the mysteries I had concerning trading options. An excellent feature of the book is that it gives the addresses of many online sources for stock or option information
A:
POS