<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/76780000/jpg/_76780873_b71e0c70-2d8e-43a7-b18b-72414eafc783.jpg>
<http://www.bbc.com/news/health-28673380>