Question: The Plaxton Centro is a low floor single-decker bus body designed by Bluebird Vehicles and manufactured by Plaxton, in 2010, Blackpool Transport took delivery of Volvo examples, Blackpool Transport Services Ltd. (BTS) is a bus and tram operator running within the boroughs of Blackpool and Fylde and into the surrounding area, including Fleetwood, Lytham St Annes, Poulton-le-Fylde and Cleveleys, and is owned by which organization?
Sentence (from "Plaxton President"): It can be built as either a closed top bus or an open-top bus.
Relevant evidence: No