<http://schema.org/keywords>
"USA today,Austin Texas,sports bicycling,enhancing drugs,Texas,performance enhancing drugs,Oprah Winfrey, video"^^<http://www.w3.org/2001/XMLSchema#string>
<http://uk.reuters.com/video/2013/01/15/armstrong-admits-doping-usa-today?videoId=240488143&videoChannel=1>