Given the task definition and input, reply with output. Given an Amazon review, indicate whether it is a 'Positive Review' or 'Negative Review'.

Bought for a Kindle Fire. When I recevied it, I found that I needed an adapter (Duh).<br />When the adapter came, everything connected, but nothing worked. The Kindle did not receive any signals from the keyboard.<br />It may work on other tablets, but not the Kindle Fire.
Negative Review