In this task, You are given a review of Amazon's food products. Your task is to divide them into two classes: negative or positive, depending on the content of the review.

Ex Input:
We love this kit, which includes everything we need for birthday decorations. It saves time for us instead of looking for birthday related decorations here and there in different stores. It is a decent product and has a great quality! Thank you.

Ex Output:
positive


Ex Input:
This is the second power bank I bought in past two month. The first one turns out the capacity is too big to travel by air. I got this one under 10000mAh. Tested a couple of times. Works great. Built in cables very convenient. Comes with a storage pouch good for travel.

Ex Output:
positive


Ex Input:
this book provided much background and connections that filled the knowledge banks to overflowing. Much of what was already thought was provided with backup.

Ex Output:

positive