Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Pilot Dr. Grip Center of Gravity

I like it as I was looking for a pen I can write hours with, it's nice but at times I find it stagy but it eventually slide back into action again, it's little on the heavy side and I notice it makes my hand little tired but you this was the best that I found for free fast writing. And believe me, I have tried countless ball point pen until I found one that I could use. I have it a 4 star as there is always room for improvement with almost everything.