In this task, you are given reviews written about the books in Bengali. You are expected to classify the sentiment of the reviews into two classes: positive or negative.

Ex Input:
এক কথায় অসাধারন

Ex Output:
positive


Ex Input:
👌👌👌👌 প্যারাসিটামল। জাস্ট লাভ ইট

Ex Output:
positive


Ex Input:
অসাধারন এক বই।

Ex Output:

positive