Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

Ex Input:
Piece of junk! If I didn't take so long to use it....on my New iPad Air 64GB, I would have returned it already....the price wasn't bad, but I was shocked because Sharkk has always come through.<br /><br />The iPad Air doesn't recognize this product and there is no &#34;software&#34; update.

Ex Output:
Negative Review

Ex Input:
I received this on Mar 5 and it worked great. Yesterday it stopped working completely the return window has closed.

Ex Output:
Negative Review

Ex Input:
Working nice after some years.

Ex Output:
Positive Review