premise: PBS is a public broadcaster.
hypothesis: The Public Broadcasting Service ( PBS ) is an American public broadcaster and television program distributor . Headquartered in Arlington , Virginia , PBS is an independently operated non-profit organization and is the most prominent provider of television programming to public television stations in the United States , distributing series such as Keeping Up Appearances , BBC World News , NOVA scienceNOW , NOVA , Barney and Friends , Arthur , Sesame Street , PBS NewsHour , Walking with Dinosaurs , Masterpiece , Nature , American Masters , Frontline , and Antiques Roadshow . PBS is funded by member station dues , the Corporation for Public Broadcasting , government agencies , corporations , foundations and individual citizens . However , PBS is not responsible for all programming carried on public television stations , a large proportion of which ( including most specials aired during pledge drives ) come from affiliates , including such member stations as WGBH , WETA-TV , WNET , WTTW National Productions ) , American Public Television and independent producers . Public Broadcasting Services Limited ( PBS ) is the public broadcaster of Malta .