Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Panasonic canister vac. mc 3920

This product failed the second time I tried using it The on-off swtich broke.Panasonic MC-3920 Canister with 5-Stage Filtration, Aqua BlueThe nearest service center for Panasonic is 20 miles away. Hardly worth my time and mileage to get it repaired plus the surly repairman said I have to have a reciept which I can't locate.