Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Cuisinart CPC-600 1000-Watt 6-Quart Electric Pressure Cooker RETURN / REFUND

I used the cooker ONCE and the 2nd time, the cooker DID NOT get up steam, I entered MENU, TIME, then START, the cooker started, went to '00', YELLOW, finished, NO COOKING, I did that several times, called CUSTOMER SERVICE, we talked, nothing different worked, I was told to RETURN the item.I have returned the item and want my REFUND.Thank you,Ronald A Stricker