Instruct: Classify a review into positive or negative sentiment.
Query: Astonish really does work!

I've tried so many things to clean my glass top stove. Well this really does work like nothing else. It removes the caked on burnt on stuff that is so hard to remove without scatching the glass. It was my first glass top stove and I thought I hated it because it was so hard to keep clean. Well, Astonish did it. Now I like my stove again.