Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Worked well for a while, but

I owned this pressure cooker for about two years. It worked great. However, just a week ago I found out that two of the screws that held the pressure valve to the cover have rusted. That allowed the steam to escape and to prevent the pressure from building. While I had done some good cooking in this pressure cooker, it is not designed to last. I guess I now have to try another brand