<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/cpsprodpb/E025/production/_88118375_96437791-aa6a-47ec-8feb-b1f17c245453.jpg>
<http://www.bbc.com/news/health-35608324>