<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/560/media/images/74669000/jpg/_74669720_8e8255a8-3427-49d8-afdb-42964d885431.jpg>
<http://www.bbc.com/news/health-27207219>