Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Excellent mouse for gaming and surfing the Internet

I have this mouse because a good friend of mine recommended it to me. It is great for gaming (Counterstrike) as you can assign functions to the buttons on the side. Also just for internet surfing, the back and forward functions that come default are the best. The mouse itself is very precise and you don't need that sweaty old mouse pad anymore. You can even use the mouse on the palm of your hand! Best mouse out there.