<http://schema.org/caption>
"First video of U.S. air strike aftermath in Northern Iraq"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.reuters.com/video/2014/08/08/first-video-of-us-air-strike-aftermath-i?videoId=337752925&videoChannel=2602&channelName=Most+Popular>