You will be given a definition of a task first, then some input of the task.
In this task, you are given books product reviews in Japanese 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.

中途半端・・・ . 主役の女探偵を含め、登場人物の誰にも感情移入できないまま、途中から読むのが辛くなりました。最終章に至っては、『何だ、こりゃ？』って感じです。トリックは面白いものもありますが、全体に中途半端な印象です。主人公の台詞も、ただただ嫌な感じがするだけ。私とは相性が悪いだけなのかもしれませんが。
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
NEG