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

Ex Input:
I installed this on a imac 21.5" as I wanted quicker response, start-up ect. This drive delivers an improvement in all areas of functionality. No cons at all. For those whom wish to install this drive go here: https://www.ifixit.com/Device/iMac_Intel ,then select the imac you have! Follow the guide!

Ex Output:
Positive Review

Ex Input:
One of the most comfortable and awesome headsets I've bought up to date. A little in the pricey end but it is absolutely worth every single dollar. A must buy

Ex Output:
Positive Review

Ex Input:
After I placed the order I realized it was for Logitech Brand. I tried to cancel the order but was not successful. When I received it I tried it using a Microsoft keyboard & was not surprised that it did not work. The cost was cheap enough so I didn't bother to request a return & refund.

Ex Output:
Negative Review