<http://schema.org/description>
"Watch the latest trailer for 'Prometheus', which debuted exclusively during Channel 4's Homeland on April 29, 2012."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.digitalspy.com/movies/alien-prometheus/news/a385314/ridley-scott-prometheus-is-an-original-sci-fi-film/>